No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Aery - Cyber City

In Aery Cyber City you play a little bird on its journey to find a home after losing its dear friend. You will discover unknown, giant, and beautiful environments and you will be able to enjoy the feeling of flying while exploring a whole world filled with beauty and little secrets. Within every area of the world, you must find a certain amount of memory shards to remember the path that leads to your destination and advance with the story. Once you have found all the memory shards you are free to explore the next area.