Starcross is a hand-held planetarium for your device. Use it to identify stars, planets and more.
Starcross was developed during the Google Summer of Code (GSoC) by Makhanov Madiyar under Mentorship of Raghav Puri and is an updated version of open source project Sky Map (https://github.com/sky-map-team/stardroid)
Starcross a fully open source project:
https://gitlab.com/aossie/starcross-android