Use APKPure App
Get Gemini (CM12/CM13 Theme) old version APK for Android
CM12 थीम इंजन के लिए डार्क और ब्लू थीम (और यह प्रयोग अन्य रोम)
PLEASE KEEP IN MIND THE THEME ENGINE HAS BUGS AND LIMITATIONS
Some devices have issues with the SystemUI not changing
this is a bug with the Theme engine not with the theme
The theme colors the following apks
-Calculator
-Settings
-SystemUI
-Wallpapers
-Analog Clock
-CM updater
And More to come