AmsatDroid FREE

This software predicts future passes for amateur radio satellites for a specified location and period of time.
Basic features:
- Calculate passes for up to the next 24 hours
- Graphical pass display
- Map view showing current satellite position and next two orbits
- Update keps from a file on SD card or directly from AMSAT's webpage using your phone's internet connection
- Set home coordinates from User Input (Lat, Lon, Maidenhead), Network or GPS

AmsatDroid FREE is a Android app that predicts transits of LEO satelltes. Unlike other applications, it does not rely on an internet connection to get a list of passes, all calculations are done locally using the SGP4 algorithm. It provides a schedule of passes, a sky track and a map view.

LINK