FirstGram Messenger adds some extra features to official Telegram app:

• Separated tabs for chats: users, groups, channels, bots, favorites, unread, admin/creator.
• Many options to cutomize tabs.
• Multi-account (up to 10).
• Categories. Create custom groups of chats (family, work, sports...).
• Categories can be saved and restored.
• Change default app folder.
• Different sorting methods for chats.
• Increased limit of pinned chats to 100.
• Increased favorite stickers limit to 20.
• Show floating notifications when users are online/writing.
• Select all chats and apply different options (read, mute/unmute, archive...).
• Forward messages without quoting. Edit message/caption before forwarding.
• Save documents using original name.
• Copy selection of text message.
• Set photo quality before sending.
• Show user's bio in chat.
• Add time to floating date in chat.
• Start round video using main camera.
• Show download progress.
• Quick switch between chats through the quick bar.
• Show user messages and media in group chat.
• Show/hide mute/unmute button from channels.
• More than 10 different bubbles and checks designs.
• Hide mobile number from navigation menu drawer and settings menu.
• Show username instead of mobile number in navigation menu.
• Easily switch to night mode from navigation menu.
• Show/hide options from navigation menu.
• Use phone emojis.
• Use phone font.
• Save and restore Plus settings.
• Chat counter.

And many more options