I don't think there's enough good roguelikes and roguelike-inspired games on mobile, given how much sense the genre makes for mobile, since it's so highly-replayable. The first Bit Dungeon was a roguelike-inspired game I enjoyed in my Android days, and now developer Kinto has just released a sequel, Bit Dungeon 2, on several platforms, including iOS.
It was a busy week in new game releases, and there's one game that's flying a bit low on the radar but is the one that I've kept coming back to the most, and that's Naiad Entertainment's Sneaky Sneaky. The premise is pretty straightforward, you're a thief who must make his way through a dungeon room by room without getting caught by patrolling guards. The way you go about doing this is incredibly open.
It looks like we have another Cut the Rope spinoff game coming soon, starring series protagonist Om Nom: My Om Nom appears to be a virtual pet simulator that's coming soon – possibly even next week. Feeding Om Nom, keeping him happy, and other assorted virtual pet activities appear ot be part of the game, as evidenced by the official site and teaser trailer: