There is a Android app that gives a lot of control over a lot of parameters and there is drum loops built in as well.
Have been thinking that it would be good to have a small battery powered amp for some time as there is chance that will take my guitar to the street one day when economic pressure become to severe...
The price is a little bit steep at a around a hundred monies and there is better options for small practice amps specially second hand for that price but it is probably hard to find something this portable with this sound.
To read more about the amp:
Google Play App: