NAQ is Never Asked Questions. That means you must never ask these questions.

Q: Where can I get osu!droid?
A: It's available on the market.

Q: Is it free?
A: Absolutely.

Q: What versions of Android OS are supported?
A: All versions since 1.6 (Donut).

Q: How to install debug version of osu!droid?
A: The tutorial is here.

Q: Where can I get beatmaps?
A: Here, on this site. The osu!droid uses same beatmaps as the original osu!. ( osu!droid has an DDL feature build-in, meaning: start and download via "Get Songs" )

Q: How to install beatmaps?
A: Tutorial about importing beatmaps

Q: I've got a problem...
A: Go to the bug report forum

Q: Will you support storyboard/video?
A: No. Because most of droid phones don't have enough performance for it. (Neico: maybe there will someday...)

Q: Will you make direct download of songs?
A: It's up to peppy. For now osu.ppy.sh doesn't allow direct downloads.

Q: Will you make online ranking/multiplayer?
A: Online Ranking is already available (Update: It's currently offline due to Database issue's), Multiplayer might get a chance in the future.

Q: Will you make a <feature name>?
A: Go to the feature requests thread.

Q: Which came first, the chicken or the egg?
A: The egg.

Updated a bit (might update without further notice too...)