Monument Valley 2 shipped, and needs no net-boosting from me. It was mentioned in Apple's WWDC keynote; that's max visibility in ten seconds.
I played MV2, and indeed it was as lovely and finger-satisfying as the original. But, like the original, it wasn't particularly puzzle-intense. Once you locate all the movable objects on the screen, move them, and see how they match up, you've done most of the job. Which is fine: the creators are clearly aiming at the general audience, not at puzzle fiends.
So, the question: what recent puzzle games are as pretty and whimsical as MV2, but will also melt your brain out your ears?