Pink Drops RainbowKey Theme is a free personalization app offered by Keyboard Arts Themes for Android users. This app provides users with a colorful and vibrant keyboard theme option for their devices. To use the app, users must first install the latest version of RainbowKey, which is also free to download on the Google Play Store.

Once installed, Pink Drops RainbowKey Theme can be easily activated by opening the app, and the theme will be enabled automatically. Users can choose from a variety of built-in themes or create their own keyboard using their favorite pictures. The app also offers 40+ beautiful fonts and colors to decorate the keyboard and 30+ stylish fonts to decorate words.

Pink Drops RainbowKey Theme also offers swipe input for one-handed typing, smart emoji prediction with 1000+ lovely emojis, auto-correction, and word prediction. Users can even swipe on the space bar to move the cursor position.

Overall, Pink Drops RainbowKey Theme is an excellent personalization option for Android users who want to add some color and personality to their devices.