A chinese writings started to pop up

[Shahd yousef]

A chinese or similar language (not sure) writings started to pop up on my screen once i unlock the screen of my phone and also while am using it . My phone is Note 3. The language of my phone is English, and I had no problems with the language. I have been using a launcher called LINE since several months ,no problems.despite of that, I tried to uninstall it but nothing changed . Please help am I being hacked or what the heck.

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