Available users: 1) adam.kral@kiwi.com 2) josef@gmail.com 3) reviewer@mail.com
If you connect as reviewer, you should be able to see 2 channels.
After you register & login, you can upload your avatar by editing your profile in right corner of the app.
All required features should be present.
Restricted features: 1) you can edit, delete only your messages 2) you can up/downvote only messages of other users