Twice Keyboard is an Android app developed by Rhino Apps that allows fans of the popular K-Pop group Twice to set their favorite band's pictures as their keyboard background. With this app, you can replace your default keyboard with a fun and colorful Twice-themed keyboard that applies to your entire device and all apps.

To use Twice Keyboard, simply open the app and enable the keyboard feature. You can then set different themes for your keyboard and choose from more than 500 emojis. The app also has an auto spell check feature, next word prediction, and emoji prediction on words. You can even swipe your finger on the keyboard to type faster.

The app supports more than 50 languages and allows you to change font styles, keyboard height, and keyboard key press settings such as sound and vibration. You can also edit words with facilities like word select, cut, copy, paste, home, end, and tab. The app's layout is also designed for tablets.

Overall, Twice Keyboard is a fun and entertaining app for Twice fans who want to customize their Android keyboards. It's easy to use and has a variety of features that make typing more enjoyable. Please note that the app is made for entertainment purposes only and the developer will secure your personal information.