Just wanted to chime in and say Pokemon Go is another Unity game. Unity games seem to be doing extremely well on mobile.
If you use Unreal Engine / Unity, you have a pretty big pool of talent that is already proficient with the engine and can hit the ground running, rather than having weeks of learning the intricacies of your specific game engine.
> AR-based experiences like the current smash-hit Pokemon Go were also built on Unity Technologies’ game engine.