tested all theme. doing step by step at instruction but no luck. background picture did not change.
Background picture change on paid version only.
IronMan, Captian America, Hulk, BlackWidow, Hawkeye.
2 Methods of installing base theme
1. Samsung Theme Store - Download the mentioned base theme and for Avengers theme this only Work if you had already downloaded these themes in past.
V2.1 Uptade Next week..
Waiting for next update V2.1 good job!
Sorry, but where is the M4 download link? Thank you