12 Rounded Flat App Icons PSDCamera, cloud, Dribbble, Dropbox, Facebook, Flat Design, music, pictures, sparrow, Twitter
Simple Thin Line Icons with Round Backgrounds PSDCamera, Clock, download, Email, Line Icons, navigation
DETA Flat Icons Set (Circle and Square)Browser, Calendar, Camera, Chrome, Clock, Email, Facebook, feedly, Flat Design, Gmail, google keep, Instagram, messenger, Music Player, RSS, search, Skype, Tumblr, Twitter, Weather, Youtube