Build me and Android app based on MAPS

Project details Build an android app that will be used to connect to a raspberry pi board via Bluetooth. once the app is connected the raspberry pi program should ask the destination in speakers for the destination. The app needs to collect the data and send the route directions using google maps data, estimated time for destination, any potential roadblocks to Raspberrypi display as mentioned in the screenshot. Call /msg notification send to display from the app. sketch and display screenshots attached. Any suggestions are accepted.