Aimed at improving general mental health and helping to manage stress and worries as well as reduce anger.  I sent a kindness email to my friend Emma - she wasn't quite sure about my intentions! 

The game Uplift has users clicking on positive words and Negative Knockout is reminiscent of Angry Birds - firing cannons at neagtive feeling words - all very enjoyable apps for mental well-being.

Available for both Apple and Android this app would be suitable for adolescents who need to improve their well being or are mildly anxious, or stressed or have some symptoms of depression.