In his blog Peter Goodhall 2M0SQL looks at satellite tracking Apps for Android devices
He says “Satellite tracking applications play an important part in using the transponders available to radio amateurs, of course, experiences of them all vary and are very subjective however we are going to explore what is available on the Android platform.”
Read his blog post at
https://www.2m0sql.com/2018/07/23/android-satellite-tracking-applications/