Simple and effective I've used this to find planets and comets. The visibility chart is great for planning observing sessions. It's nice that it gives you RA and Dec numbers you can punch into a telescope controller to find a comet or other minor object.
4.9.1 - Overflow menu icons always visible, Compatible with Android 2.2
4.9.0 - Traditional Chinese support, other language updates
4.8.2 - Improved Talkback support (German), Minor layout improvements
4.8.1 - Move2SD enabled, Bugfixes,
Menu in AR screen for devices without menu key by tipping onto screen
4.8.0 - Swipes and clicks on visibility view change date and time.
- Menu item "show orbital elements" for minor bodies
- no display of semimajor Axis for e > 1