Spawn, run, sleep, write, terminate. This is an Android RE challenge :) (And a little bit more than that ;-))

If you want to run the application, but don't have an Android smartphone, you can, for example, use GenyMotion to emulate a device.

Here is the APK: https://mega.nz/#!XCwVRZgL!hzP0UnEFVw_eLM1_s3nj9Bps4J_Fc0MLDknWT95SMNA