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README.md

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 # fast-messenger
 
 Unofficial messenger for russian social network VKontakte
+
+**Functionality**
+- [x] Authorization
+    - [x] 2FA support
+        - [x] Resend otp
+    - [x] Captcha support
+    - [ ] Support for new authorization with service and refresh tokens
+- [x] Conversations list
+    - [x] Pagination
+    - [x] Manual refresh
+    - [x] Pin & unpin conversations
+    - [x] Delete conversations
+    - [ ] Archive
+        - [ ] View archived conversations
+        - [ ] Archive & unarchive conversations
+- [x] Friends list
+    - [ ] Sort alphabetically, by priority or random
+    - [ ] Separate tab with only friends who are online
+- [x] Settings screen
+    - [ ] TODO
+- [x] Chat screen
+    - [ ] Pagination
+    - [x] Manual refresh
+    - [x] Message bubbles
+        - [x] Text
+        - [ ] Date
+        - [ ] Message's attachments
+            - [ ] Photo
+            - [ ] Video
+            - [ ] Audio
+            - [ ] File
+            - [ ] Link
+            - [ ] TODO
+    - [x] Send messages
+    - [ ] Pinned message
+    - [ ] Pin & unpin messages
+    - [ ] Reply to message
+    - [ ] Delete message
+    - [ ] Select multiple messages
+        - [ ] Delete
+        - [ ] Forward
+        - [ ] Forward in current chat
+    - [ ] Send attachments to chat
+        - [ ] TODO
+- [x] Chat materials (attachments)
+    - [x] Separate tabs for each attachment type
+        - [ ] Pagination
+        - [x] Manual refresh
+    - [x] View attachments
+        - [x] Open photo
+            - [x] Internal viewer
+            - [ ] External viewer
+        - [ ] Open video in external player
+        - [ ] TODO
+- [ ] Caching
+    - [ ] TODO