Project Nimbus: Complete Edition is a fast-paced, action-packed shooter with smooth controls, vivid graphics, and three different modes to keep you busy for a while. At the price of $20, it's worth a try.
Bird Game + is a pleasing experience with a beautiful soundtrack, simple graphics, and fun mechanics in the gameplay. It's serene with some intense moments. It's something different and definitely worth a try.
Dig Dog is a pleasing game. The gameplay is quick but fun and increasingly challenging. This is a mindless game to play when you're looking for something relaxing or don't want to commit to a heavy story.