Fonts Keyboard - Stylish Fonts is a free Android app developed by Darvin Info. It is a custom keyboard app that offers over 60 stylish fonts, 2000+ emoji arts, emoticons, GIFs, and stickers. It also provides personalized themes, advanced autocorrect, and word predictions.

The app's main features include a wide range of fancy fonts and keyboard stickers, an advanced auto-correct and auto-suggest engine, the ability to add or remove words from the dictionary, and the option to auto-capitalize letters. It also offers a fully customizable keyboard with wallpaper and layout, typing sounds, and integrated emoji keyboard and emoticon stickers that are compatible across all popular apps.

To use Fonts Keyboard, simply open the app and select the "Enable" button to enable the keyboard. Then, switch to Fonts Keyboard by selecting the "Switch" button. The app also includes an amazing text-decoration feature that can be accessed directly from the font keyboard. All fonts are compatible with Instagram, WhatsApp, Snapchat, Messenger, and other social media apps.

Overall, Fonts Keyboard - Stylish Fonts is an excellent app for those who want to add a personal touch to their messages and social media posts. It's easy to use, offers a wide range of font styles, and is compatible with all popular apps.