Source code of this notebook code - https://github.com/wishrohitv/google-colab-for-kivy
Step 1 - Click this link https://colab.research.google.com/drive/16wji2BWd5HHlp7eNqBBcZONCxxCzV-jy?usp=sharing to open your own Colab cell
Step 2 - Upload your Source code on google colab
Step 4 - Now run the command
buildozer init
This command will generate buildozer.spec file which is used to mention app name,icons and pip modules which used and app version and more
Step 5 - Explore this file with yourself and modify it as required
Step 6 - Now everything is ready to compile kivy code to android app
run this final command
buildozer -v android debug
Step 7 - Enter y and now further this will ask you to accept google license, accept these and this process will take 15 to 30 minute for first time to compile
After successful compilation apk file will be produced in bin directory
Step 8 - Download the apk and install on android device, and if it crashes then use adb tool to debug it and fix and compile again
Hope it will helps, Thank you and give us feedback;