Use APKPure App
Get Handcent 6 Skin Android old version APK for Android
Green android skin for Handcent SMS 6.0
Handcent SMS Skin (Green Android)
Green Android 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