Frosty is a free and open-source mobile app for Twitch built from the ground up. It supports emotes and badges from BetterTTV (BTTV), FrankerFaceZ (FFZ), and 7TV — popular third-party extensions for Twitch used by millions.

Features:
• Support for BetterTTV, FrankerFaceZ, and 7TV emotes and badges
• Browse followed streams, top streams, and top categories
• Autocomplete for emotes and user mentions
• Light, dark, and black (OLED) themes
• Search for channels and categories
• See and filter chatters in a channel
• Local chat user message history
• Theater and fullscreen mode
• Watch live streams with chat
• Picture-in-picture mode
• Block and report users
• Emote menu
• Sleep timer
• And more...

For more details, check out the full source on GitHub: https://github.com/tommyxchow/frosty