Source Pocket Gamer (mobile) pocketgamer.com
Most of us carry around a mental shelf of mobile games we've only ever met in adverts. The runner where you pick the right gate to grow taller, or the one where you sneak up behind guards, played badly on purpose so you'll download it and do better. I've skipped them hundreds of times. Now, thanks to YouTube Playables, they're sitting a tap away from whatever you were watching. YouTube…