User manual

200
Go to "Photos" or "File Manager", select a picture and click "More" to set it as
wallpaper.
App Market
"App Market" is an official platform to install and manage various apps. You
can download apps that you need in App Market.
Apps in App Market are free of charge. However, some of the app developers
may set a restriction for some specific functions in the app and charge it. It
should be noted that it is the developer who charges the fee.