The premise of the mobile version of Crash Twinsanity is simple: to play Doc Amok until you drop. If you're not familiar with the concept, all you need to do is control Crash and guide Cortex to the end of each level. Cortex runs automatically, but his path is filled with traps, so you need to do your best to deactivate them and get Cortex across safely. Sometimes the opposite happens, so you'll need to wait for Cortex to push something that clears a path for you.
The game features 6 levels (3 jungle ones and another 3 in an iceberg). Though the story mentions the Evil Twins from the console game, they are actually nowhere to be seen.
Crash can run, jump, and spin infinitely, which allows you to break crates with ease. There are Wumpa fruits and lives to be collected, as well as mid-checkpoints marked by large totem gods. Gems are hidden throughout the levels, and you need all 5 of them to access the final level, which is merely another ice level.
As with most tie-in mobile games of its time, it's rather simplistic with not a lot of content or effort put into it. If you've never played it, you're not missing much.