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Users have ageing tablets running Android 4.2.2 that they still use daily. I need a purpose-built app that lets a user: • create a simple account with just name, email and password • securely add a credit or debit card and pay inside the app • open a low-latency remote desktop session to an Android 14 environment and launch full applications there. The APK must install and run smoothly on API 17 devices yet stream the modern Android 14 screen in real time, with touch events reliably passed through so the user feels as if the newer system is local. Because the tablet’s resources are limited, please optimise encoding/decoding and offer adaptive quality so the session stays responsive even on modest Wi-Fi. I’m open to whichever stack suits this—whether you rely on WebRTC, custom RTSP, or a native-code client—but the final build has to clear Play-Protect checks for a side-loaded app. You will also set up the lightweight backend needed for account management, card tokenisation with a mainstream payment gateway, and session brokering between the old and new Android instances. Deliverables I expect: • signed APK for Android 4.2.2 • backend source and deployment guide • full source code, build instructions, and brief user guide • short test video that proves registration, a live card charge, and launching an Android 14 app from the tablet If anything in the scope is unclear, let me know before we start so we can lock requirements early.
Proje No: 40078691
79 teklifler
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79 freelancer bu proje için ortalama $590 USD teklif veriyor

Hi there, I will build a compact, secure solution that runs on Android 4.2.2 tablets and lets users sign up with name, email, and password; add a card for in‑app payments that tokenizes securely; and connect to a real‑time session on Android 14 with low latency and accurate touch forwarding. I will design a streaming layer that adapts to network and device limits, using WebRTC or a lightweight native transport, and optimize encoding/decoding for modest Wi‑Fi so the session remains responsive on API 17 devices. The backend will manage accounts, card tokenization with a mainstream gateway, and broker sessions between the old and new Android instances. Deliverables include a signed APK for API 17, backend source and deployment guide, full source and build instructions with a user guide, and a short test video demonstrating registration, a live card charge, and launching an Android 14 app from the tablet. I will ensure the app clears Play Protect for sideload. If anything is unclear, I’ll lock requirements before we start. What payment gateway would you prefer and do you favor WebRTC‑based streaming or a native transport approach for the remote desktop, and which backend stack should we use (Java, Node.js, etc.) to align with your security and deployment needs? Best regards,
$750 USD 26 gün içinde
9,4
9,4

Greetings, I understand you need a purpose-built Android app compatible with API 17 (Android 4.2.2) that allows users to register accounts, securely add and use credit/debit cards, and open a low-latency remote desktop session to an Android 14 environment with real-time touch interaction. The app must stream efficiently over modest Wi-Fi, adapt quality dynamically, and pass Play Protect checks even when side-loaded. Backend support for account management, card tokenisation, and session brokering is also required. Before we proceed, could you clarify, 1, Do you have a preferred payment gateway for card tokenisation, or should we recommend one? 2, Should the remote session support multiple simultaneous Android 14 instances per user or just one at a time? 3, Are there preferred streaming protocols (WebRTC, RTSP, custom) you want prioritised for low-latency? Our team includes developers experienced in low-latency remote desktop apps, legacy Android compatibility, secure payment integrations, and backend session management. We focus on optimised streaming, responsive touch, and smooth installation on older devices while maintaining modern security and compliance standards. Let us connect to confirm stack, protocol choice, and timeline. The current bid amount is a placeholder to start the conversation. Regards Yasir LEADconcept PS: I can share examples of remote desktop and legacy Android projects we’ve delivered if you would like to review relevant work.
$500 USD 7 gün içinde
8,9
8,9

⭐⭐⭐⭐⭐ Build a Custom App for Android 4.2.2 with Remote Desktop Access ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you are looking for a custom app for Android 4.2.2. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for custom app development. I will create a user-friendly app that allows account creation, secure payments, and remote desktop access to Android 14. I will ensure smooth performance by optimizing encoding/decoding for your devices. ➡️ Why Me? I can easily deliver your custom app as I have 5 years of experience in mobile app development, focusing on user accounts, payment integrations, and remote desktop solutions. My expertise includes Android development, backend setup, and real-time streaming. I also have a strong grip on WebRTC and other relevant technologies to ensure a seamless experience. ➡️ Let's have a quick chat to discuss your project in detail, and I can share samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Android Development ✅ Mobile App Design ✅ Payment Gateway Integration ✅ Remote Desktop Solutions ✅ Backend Development ✅ User Authentication ✅ API Development ✅ Video Streaming ✅ Optimization Techniques ✅ Debugging ✅ Quality Assurance ✅ User Guide Creation Waiting for your response! Best Regards, Zohaib
$350 USD 2 gün içinde
7,7
7,7

Hi ransbachrod I’m your web developer, ready to turn your project Legacy Android Remote Desktop App into reality! I’d love to discuss the details and create something amazing together. Feel free to message me anytime, and we can also hop on a quick video or audio call whenever it's convenient for you. I’ve developed many projects exactly like what you’re looking for. If you want to see more relevant samples, just contact me through the chatbox, and I’ll share them instantly. ★ Why Clients Trust Me 500+ successful web projects delivered 430+ positive client reviews Expert in Java, Mobile App Development, Android, Software Architecture, Payment Gateway Integration, Backend Development, Android App Development, API Development, API Integration, WebRTC WordPress, Shopify, PHP, JavaScript, HTML, CSS, Plugin/Theme Development, Laravel, WebApp Clean, modern, responsive and SEO-optimized designs Fast delivery, great communication, and long-term support Available during EST hours for smooth collaboration If you want a professional developer who delivers quality work on time and stress-free, let’s connect. I’m excited to help build something amazing for you. Best regards, Kausar Parveen
$350 USD 3 gün içinde
6,9
6,9

Hi there, Want to see a working prototype—a live remote desktop session streaming from Android 14 to a 2012-era tablet—within two weeks, fully integrated with secure card payments? We'll architect a dual-stack solution using adaptive WebRTC streaming and native Java optimizations, ensuring buttery-smooth touch passthrough and Play-Protect compliance while your API 17 device handles real-time encoding like a champ. Let's lock requirements together and build the backend, signed APK, and proof-of-concept video that'll make your legacy hardware feel modern. Best, Smith
$500 USD 7 gün içinde
6,6
6,6

Hello, I can develop a lightweight Android app for your older tablets that provides seamless remote access to an Android 14 environment with minimal latency. The app will support secure user registration, smooth integration of credit/debit card payments via a mainstream gateway, and adaptive video quality to maintain responsiveness over modest Wi-Fi connections. The backend will be efficient for account and session management and you will receive the signed APK, full source code, and a clear deployment guide. Thanks, Teo
$300 USD 3 gün içinde
5,8
5,8

I have experience building low-level Android clients for legacy devices alongside modern backends, including secure payments and real-time streaming solutions. I’ve worked on remote desktop, media streaming, and performance-constrained Android apps where latency and stability are critical. For this project, I would create a lightweight Android 4.2.2 client optimized for API 17, handling auth, payments, and touch input with minimal resource usage. The remote Android 14 environment would be streamed using an adaptive, low-latency approach (WebRTC or optimized RTSP) with dynamic quality scaling for older hardware and weak Wi-Fi. I’ll implement secure card tokenization via a mainstream payment gateway and a backend that brokers sessions cleanly and safely. All code will be Play-Protect safe, well-documented, and delivered with build instructions and a test walkthrough.
$500 USD 7 gün içinde
5,8
5,8

Hi there I am offering a 30 percent discount for your Legacy Android Remote Desktop App project. I have extensive experience in Android development, including maintaining and updating legacy applications, ensuring compatibility, security, and smooth remote access functionality. My approach focuses on analyzing the existing app, addressing technical issues, and enhancing performance while preserving core features. I understand the importance of stability, responsive controls, and secure connections in remote desktop applications. I will review the codebase, fix bugs, optimize performance, and implement necessary updates to ensure reliable operation across supported devices. My goal is to deliver a professional, fully functional app that meets modern standards while maintaining legacy support. I am committed to delivering the project on time and can provide revisions to ensure the app meets your expectations. My focus is on quality, reliability, and professional development to bring your legacy Android remote desktop app up to standard. I would be pleased to work on this project and enhance your legacy Android remote desktop app effectively. Regards Sohail Jamil
$250 USD 1 gün içinde
6,4
6,4

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Low latency remote Android 14 streaming on legacy Android 4.2.2 tablets ))⚜⭐⭐⭐⭐⚜ Running modern apps on ageing Android 4.2.2 hardware is a real world challenge, especially when low latency, secure payments, and smooth touch interaction all need to work together. Your goal is clear: keep the tablet lightweight while the heavy lifting happens remotely, without the experience feeling remote to the user. This project calls for careful protocol choices, aggressive performance tuning, and a backend that handles identity, payments, and session brokering cleanly. I have worked on legacy Android support, remote rendering pipelines, and payment enabled mobile apps where stability and responsiveness mattered more than flashy extras. My approach would prioritise adaptive streaming, efficient input forwarding, and a minimal client footprint that passes Play Protect checks while remaining reliable on API 17. 3 most important features of the project: 1. Optimised low latency remote desktop streaming with adaptive quality 2. Secure in app payments with card tokenisation and account management 3. Reliable touch and gesture pass through that feels native If you want to lock requirements early and validate the technical approach before build out, let us discuss the constraints and testing plan and move forward with confidence. Warm Regards, Farhin B.
$256 USD 10 gün içinde
6,3
6,3

I can build your Android 4.2.2-compatible app with secure account/payment handling and a low-latency remote desktop to Android 14 using WebRTC or RTSP, fully optimized for modest tablets. Delivery includes signed APK, backend source, build instructions, and a short demo video. Quick questions: preferred payment gateway, cloud provider for Android 14 instances, and any server-side GPU acceleration?
$500 USD 7 gün içinde
5,5
5,5

Hi, I have reviewed the details of your project. At Mkaits Technologies, we have extensive experience developing secure, reliable apps for legacy Android devices and integrating real-time streaming solutions. Our team has successfully delivered similar projects involving remote desktop access and payment integration, ensuring smooth performance on older hardware. I will begin by designing a lightweight, optimized app that allows users to create accounts, securely add cards for in-app payments, and initiate low-latency remote sessions to Android 14 environments. We will leverage proven technologies like WebRTC for real-time streaming, combined with adaptive quality features to maintain responsiveness even on modest Wi-Fi connections. Our backend setup will handle user authentication, card tokenization, and session management, ensuring seamless operation across platforms. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in the chat to illustrate our relevant work. Best regards, Mughiraa
$500 USD 7 gün içinde
5,1
5,1

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project — Legacy Android Remote Desktop App . I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan
$500 USD 5 gün içinde
4,8
4,8

Dear . Thanks for sharing your project! I’ve worked on similar projects before and have hands-on experience with tasks like yours. I’ve got a bunch of hands-on experience with Android, Android App Development, API Development, API Integration, Payment Gateway Integration, Java, Mobile App Development, WebRTC, Software Architecture and Backend Development, so I’m comfortable handling everything you’re looking for. If you want to see my work quality, please feel free to check my reviews from previous clients. I can also show examples of previous projects and walk you through my workflow, including clear communication, clean execution, and a professional approach from start to finish. Feel free to message me anytime. I’d be happy to discuss your project and get started. Best Regards, Huy.
$555 USD 1 gün içinde
4,7
4,7

⚠️You are not looking for a coder. You are looking for someone who can build this properly. That is exactly why your project stood out.⚠️ Your goal to deliver a secure, low-latency remote desktop experience on legacy Android 4.2.2 devices while maintaining seamless payment functionality demonstrates a mature, future-proof approach to bridging hardware generations. At DigitaSyndicate, a UK-based digital systems agency, we build precision-engineered automation, modern web platforms, and AI-driven systems designed for performance and long-term scalability. We understand the need for streamlined session brokering, adaptive video encoding, and secure tokenisation that align perfectly with your intuitive, reliable, and scalable app requirements. We recently architected a remote access solution integrating custom protocols with payment gateway tokenisation for constrained devices. Can you share your main priorities and timeline so I can map out the right execution plan for you? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
$550 USD 14 gün içinde
4,4
4,4

✋ Hi there. I can build a custom Android remote desktop app that allows users on legacy tablets to securely log in, make payments, and access a modern Android 14 environment in real time with smooth touch interactions and adaptive streaming. ✔️ I have solid experience developing remote desktop and low-latency streaming apps for older Android devices, including WebRTC and optimized native solutions. In previous projects, I implemented adaptive encoding, secure payment integration, and backend session management that worked reliably on resource-constrained tablets. ✔️ For your project, I will create an APK compatible with Android 4.2.2, implement account registration, secure card payments, and a real-time remote session to an Android 14 instance. Touch events and display updates will feel seamless, and adaptive quality will keep the session responsive even on modest Wi-Fi. The backend will handle accounts, payment tokenization, and session brokering securely. ✔️ I will provide full source code, signed APK, deployment guide, build instructions, and a demo video showing registration, a card transaction, and launching a modern Android app from the legacy tablet. Let’s chat to clarify any remaining requirements and timeline so we can start the development efficiently. Best regards, Mykhaylo
$500 USD 7 gün içinde
4,6
4,6

Hello, I have reviewed the job description and am here to assist you on this project. For a better understanding of your requirements and query clarification, I suggest you initiate a CHAT or CALL. After hearing from you, I will provide you with the required estimation and time frame for this job. SO LET'S GET CONNECTED! I have developed many websites using technologies including WordPress, Squarespace, Joomla, Magento, Shopify, MEAN Stack, LAMP Stack,Ionic framework, Laravel framework, PHP, Ecommerce platform Development.. I am available to start work on the same day of hiring and can work 40+ hours per week. Looking forward to your prompt revert! Regards
$500 USD 7 gün içinde
4,3
4,3

Hello I HAVE CREATED REMOTE STREAMING & LEGACY ANDROID COMPATIBLE SYSTEMS BEFORE! With 8+ years of experience delivering Android systems across legacy and modern API levels, I understand your core risk: keeping ageing Android 4.2.2 tablets usable without compromising security, latency, or payment reliability. This project is about extending hardware life while making the experience feel native, fast, and trustworthy. → Smooth low-latency remote Android 14 sessions optimized for weak hardware → Secure in-app payments with compliant card tokenization and backend control → A stable, Play-Protect-safe APK that runs reliably on API 17 devices Your requirement for adaptive quality streaming and accurate touch passthrough is critical. I focus on lightweight decoding, dynamic bitrate control, and efficient event forwarding so users feel they are interacting locally—not watching a laggy stream. Just as important, the backend is designed to be minimal yet robust: clean account handling, secure session brokering, and payment flows that won’t raise red flags during testing or audits. This is not a generic remote desktop build—it’s a carefully constrained system balancing legacy compatibility, modern Android capability, and real-world network conditions. I prioritize early clarity on assumptions so the final APK behaves predictably from day one. I’m ready to move forward and lock the scope with you. Thanks, Sushma S.
$300 USD 7 gün içinde
5,0
5,0

⚠️ If you're not happy, you don't pay ⚠️ Hello ransbachrod, I see you need a purpose-built app for users with ageing tablets running Android 4.2.2, allowing them to securely create an account, make in-app payments, and access a low-latency remote desktop session to an Android 14 environment. I understand the importance of ensuring a seamless user experience without compromising on performance. I've built similar solutions for users in need of streamlined processes. With 5 years of hands-on experience in app development, I will deliver a smooth-running APK that meets all your requirements, ensuring a reliable and responsive session for users. Successfully delivered numerous similar projects with 5-star ratings, I am available to start immediately and have one project slot open this month. I'd love to discuss your vision. When works best for a quick 10-minute call? Worst case, you'll get free insights to guide your project. Looking forward to collaborating, Piyush Gupta App Development Developer | 5+ Years
$450 USD 15 gün içinde
4,2
4,2

Hello Rans, I hope you are doing well. I’m a seasoned mobile and backend engineer focused on making old devices feel modern. I’ve built low-latency remote streaming with secure input and robust backend integrations, while keeping compatibility with legacy Android APIs and constrained hardware. I’ve delivered end-to-end stacks using WebRTC or native codecs, with adaptive encoding, efficient touch-forwarding, and secure card tokenization integrated with mainstream gateways. I ensure APKs install on API 17 devices and can bridge to an Android 14 environment, delivering a responsive experience even on modest Wi-Fi. I can deliver a signed APK, backend and deployment docs, full source, build instructions, and a concise user guide, plus a short test video demonstrating registration, a card charge, and launching an Android 14 app from the tablet. I’ll scope, implement, and test to meet your Play Protect and sideload requirements. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
$250 USD 3 gün içinde
4,2
4,2

I understand your project involves developing a legacy Android remote desktop application. My goal will be to create a robust and user-friendly app that enables seamless remote access to desktop environments from Android devices. To achieve this, I will focus on integrating essential features such as high-performance connectivity, secure authentication, and an intuitive user interface. I’ll utilize technologies like Java/Kotlin for Android development, along with libraries such as Retrofit for networking and WebRTC for real-time communication, ensuring both speed and reliability. With over five years of experience in mobile application development, I have successfully completed similar projects, including a remote access tool that improved user engagement by 30%. My background in computer networking and cybersecurity will also ensure that the app adheres to best practices in data protection and user privacy. In addition, I will implement thorough testing phases to ensure the app performs well across different Android devices and versions, providing a consistent experience for all users. Regular updates and maintenance plans can also be discussed to keep the app functional and secure in the long term. I am excited about the opportunity to contribute to your project and deliver a high-quality remote desktop solution. Best regards, Bilal.
$500 USD 5 gün içinde
4,0
4,0

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