I can help you because I am a senior android and ios and web developer who has full experience above 10 years.
So I hope you to give me this job, and then I will do my best for you and you will get an excellent app.
Please open chat with me and discuss detail.
Regards.
I am a professional android app developer. I have boosted performance of many android apps using android NDK. Message me so that we can discuss on your project.