lab session 3: ball falling towards the real ground.
This code is a modified version of the following tutorial: https://www.androidauthority.com/android-game-java-785331/
to build with android studio:
- open the repo folder as a project in android studio
- press build -> build APK(s)
- alternativly, activate an emulator and/or plug inn an android phone and press the run button on the top right