On my Samsung Galaxy S3: Pretty well made app but... After fiddling with it  including finally force closing it & deleting its data  it's finally showing things accurately when I first open the app. It used to start with things showing as they'd be at the following day's sunset. The only real issue I see left is that it tries to scroll/pan diagonally when I roll my phone(horizontal orient) to look up/down or turn left/right. It corrects itself  I think due to the magnetic correction setting  but it's pretty annoying because it makes things EXTRA shaky. :/
June 08 2016