I'm Android Developer from Poland and I create apps for Android system. So far I successfully worked with different clients such as: Transition Technologies (http://www.tt.com.pl/en/) or Maxto (http://www.maxto.pl/en). Also I designed and developed my own app: Daybite.com, which was promoted in TVN CNBC Business TV and I was a participant of StartupSchool (best startup incubator in Poland).
If you need an android app please, feel free to contact me!!
mail: mariusz.ostapowicz [at] gmail.com