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Mobile apps
3D
Free Large Android Icons
Automatic, machine, robot
Black
512x512
Shadow, robot, happy
Desktop apps
Free Social Media Icons
luck, Lucky, positive
Orange
Avatars & smileys
Despicable me 2 minions
happy, minion
DarkSlateGray
128x128
Agnes, happy
WhiteSmoke
Green Emoticons
happy
SeaGreen
64x64
Balloons
Face, happy, ichat
Gold
Very Emotional
laugh, smiley, rofl
MidnightBlue
Signs & symbols
Must Have
positive, happy, smiley
256x256
Computer & hardware
Discovery
smile, Face, Big
32x32
PNG MORE
Free Applications Icons
ok, smiley, smile
24x24
Human o2
smiley, happy, Face
Olive
smiley, Face, happy
Khaki
Photography & graphic design
Dark Glass
Emoticon, smiley, good
red, smiley, happy
OrangeRed
UI
Nuvola
dicussion board, happy, references
Crystal Clear
Face, yellow, happy
smiley, happy, sunglasses
22x22
smiley, happy
happy, smiley
Chocolate