ThemeDIY creates CMTE (CM12 and CM13) as well as Substratum themes from within your device. You can customize many different aspects of themes, such as colors, wallpapers, lockscreen backgrounds, fonts, boot animation, and style, which itself includes buttons, switches, radio toggles, checkboxes, system animations, loading spinners, and many other options to make your perfect theme.

ThemeDIY requires a device that runs Android Lollipop (5.X)+ with CMTE or Substratum support (root might be needed for some secondary features). Legacy RRO is not supported. Please note that Android 5.0 (CM12.0) is no longer maintained fully as development is shifted towards newer versions of Android, but don't fret, themes will still be applied although you will see some unthemed elements every now and then.

Features:
-User-friendly UI
-One-click customizations ("Generate colors from wallpaper")
-Automatically install themes once made (requires root)
-Per-app modifications
-Wallpapers, lockscreen backgrounds, softkeys, TTF and OTF fonts, and boot animations
-Import ThemeDIY compatible themes and use them as templates
-Not just pre-defined colors, pick your own (HEX colors input)
Some features may require in-app purchases, aka ThemeDIY pro.


Guide on how to use themeDIY:
http://goo.gl/kkj86W



Found a bug? Don't let it sit there, contact me to resolve it immediately. I'm friendly and will respond asap :)

Don't forget to join ThemeDIY Google+ community for updates https://plus.google.com/u/0/communities/108487614858895543145

// Option A //

To download ThemeDIY mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download ThemeDIY mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download ThemeDIY from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search ThemeDIY in HappyMod App.