Use APKPure App
Get Blue technology skin old version APK for Android
Blauer Technologie-Skin für Handcent Next SMS， herunterladen und dann anwenden, viel Spaß!
How to use:
Open "More" table->Theme
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