This app was mentioned in 3 comments, with an average of 1.00 upvote
And then there's this gem but you have to pay for it to get the full version:
https://play.google.com/store/apps/details?id=de.humatic.tdf&hl=en
And free things here: https://play.google.com/store/apps/details?id=it.bordero.midicontroller
If you have any Android Tablet or even a Phone(That supports Multitouch) You can use this https://play.google.com/store/apps/details?id=de.humatic.tdf&hl=en
For first experiences/home use I like to use my phone. See touchDAW for example https://play.google.com/store/apps/details?id=de.humatic.tdf