
This software from redsquirrel87 allow us to install easily PS Vita custom themes through FTP.
It is easy.
1. Enable FTP in Molecularshell.
2. Put IP in the program.
3. Load a theme trhoug "Load a Custom Theme Folder"
4. Press Intall Custom Theme.
5. Reboot your Vita and now you can go to settings a select the theme.
LINK