Use APKPure App
Get Handcent 6 SpringFestival 2012 old version APK for Android
Springfestival 2012 Skin pour Handcent SMS 6.0
SpringFestival 2012 Skin for new Handcent SMS 6.0 & Handcent SMS 5.0
How to use:
Open navigation drawer->Handcent Services->Skin
Select the one you like to apply. Enjoy!
*** App2SD ***
This plugin support App2SD, you can move it to SDCARD from System settings->Application manager->Move to storage card