Bygga appen: https://developer.android.com/training/basics/firstapp/index.html

Accelerometer: http://sampleprogramz.com/android/accelerometer.php?fbclid=IwAR0xoKZRqdI9-Bk2hrK9yrp9IcBDxlmthkvp4_8UzGcYPDqi94hIL5iSPIc

Sätta bakgrundsfärg: https://stackoverflow.com/questions/18033260/set-background-color-android

Kompass: https://www.wlsdevelop.com/index.php/en/blog?option=com_content&view=article&id=38

Vibrationer: https://stackoverflow.com/questions/13950338/how-to-make-an-android-device-vibrate