【You should install the lastest QQLauncher version】This theme is for QQ Launcher Pro.You should install QQLauncher first, search the keyword("QQLauncher") on the market.【What’s QQ Launcher Pro】A superior Android-based desktop application, QQ Launcher Pro replaces conventional desktops with an enhanced range of frequently used desktop features such as screen and program management. Flashier in the looks department, the solution couples richer functionality with superior performance. Twitter:http://twitter.com/QQLauncher