Headspace - Meditation made simple. Brilliant things happen in calm minds.
Breathing Halftone - Images go whoa with lots of floaty dots
Calm - Calm.com can help you reduce stress and increase calm.
HalftonePro - Create custom vector halftones quickly and easily
Medito - 100% Free Meditation App that will improve your Mental wellbeing with the help of Guided Meditations, Breathing Exercises, Mindfulness Practices, Relaxing Sounds, and more.
Smiling Mind - Promotes mindfulness and meditation for young people