Working for me but following these instructions!
1.Install Magic Piano!
2.Do not open!
3.Navigate to data/data/com.smule.magicpiano
4.Create here a new folder databases
5.Copy magic.db to the new folder databases!
6.Start Magic Piano!
REP+ wodeaigsq! And Big Thanx to Nihon-no-fanboi & Ɨh3ҒȃϚEḺếșșʘ∩E!
For me a69b method(first tried) did not work that's why I used this method but maybe Magic Piano was still runing in background ...but i'm just too lazy to try again!