You can use famous RageFaces, Troll, Derpina, PalmFace, or other pictures in LINE!
Please just choose a pic and press "send to:LINE".
All stickers in this app are definitely FREE though it looks official stickers!
You can send a sticker in this app from LINE app.
Press "+", "Select a picture", and "RageTrollFace Sticker for LINE" icon.
Then you can choose what you want to send and push "sent to LINE".