Words with Friends 2 - an app version of Scrabble (with some differences)
Download link if you have an Apple phone (i.e. iPhone) - HERE
Download link if you have an Android (i.e. Samsung, Google) - HERE

Draw Something - like Pictionary, except you play against 1 other person rather than in teams.
Download link if you have an Apple phone (i.e. iPhone) - HERE
Download link if you have an Android phone (i.e. Samsung, Google) - HERE

Calm - Mindfulness and relaxation app
Download link if you have an Apple phone (i.e. iPhone) - HERE
Download link if you have an Android phone (i.e. Samsung, Google) - HERE