Neon Blue Keyboard - Tech is a personalization app developed by Keyboard Arts Themes. It is a full version app available for Android devices. The app requires the latest version of RainbowKey to be installed to activate the keyboard theme. Once installed, users can open the app and the theme will be enabled automatically. If RainbowKey is not installed, users will be redirected to the Google Play page to install and activate the app to apply the theme.

The app allows users to create their own keyboard with their favorite pictures and decorate it with 40+ beautiful fonts and colors. It also offers 10+ built-in themes to choose from and 30+ stylish fonts to decorate words. One-handed typing is made easy with swipe input, and smart emoji prediction with 1000+ lovely emojis is available. The app also includes auto-correction and word prediction, as well as the ability to move the cursor by swiping on the space bar.

Overall, Neon Blue Keyboard - Tech is a great personalization app for Android users who want to customize their keyboard with various themes and fonts.