Astro for Facebook Messenger

Astro is the only app which support Facebook group chat, sticker and attachment, in the Mac Store. Features: 1. The only app which support group message 2. Sync your sticker set on Facebook 3. Privacy control, turn off chat to specified users 4. Drag & drop attachments 5. Utilized screen crop tool 6. Hot key to show conversation and crop screen. 7. Themes