These series of tutorial videos of Audio Evolution Mobile Studio will help you understand what you can do with the app and how to do it. It covers a lot of aspects of the app, starting from the basics up to detailed editing, mixing and automation.
Introduction and using the arranger screen
Intro to Recording (Android)
Please note that long-tapping the time code area on top to get the marker menu has been replaced by a double tap.
Mixer channel and Mixer screens
Using the effects grid
Evolution One - Virtual analog synth
Piano Roll Editor
Modifiers and sidechain
Tempo and time signature change