Recs.
Updated
GTA San Andreas is a 3D open world action adventure game that is a port of the Rockstar classic. It contains everything from the original, but has been tweaked to work with touchscreen controls.
SpecsUpdate
Pros
Pro Tons of content will keep you entertained for a long time
You could spend days going through just the main story itself, but there is a ton more content as well. Side missions add numerous more hours of gameplay, and one-off encounters can help keep you entertained as well. Depending on your mood, you might even just want to try abiding by all the laws and driving around. In-game, there's always something to do, and you have a choice of what you want to do during that particular gaming session.
Cons
Con The control scheme doesn't translate well to touchscreens
For a game that was originally designed to be played with 14 physical buttons it can be difficult to translate that to a touch screen interface. Sadly, this shows when trying to play on a tablet or phone. To get the best experience, you're going to want to grab a compatible bluetooth gamepad/controller which adds cost, and you'll need to carry it around if you want to play on the go (likely at home you'll be playing on a console or computer).