Budding botanists and fans of zen-like puzzle games will definitely want to take a look at Prune on iOS.
It sees you growing trees and pruning off branches, trying to get your leaves to sunlight and absorb all those tasty nutrients.
There's a whole heap of levels to play through, each with a different obstacle to manoeuvre your tree around in order to grow as many leaves as you can.
It's also incredibly beautiful, with a minimalist art style that has a heavy focus on light and shadows. You can hear Peter enthuse about it in the hands-on video above.
You should definitely consider getting your green thumbs all over it. It's out now on the App Store for £2.99 / $3.99.