you turn it on in settings and it will have you login into …

you turn it on in settings and it will have you login into your twitter to authorize it

once you have authorized you can select "tweet this twetch" on each individual post by clicking in the box

try it out and let us know what you think!
https://twetch.app/t/a314fa609022055994aa988ae3a15ce56328d961e6fb955cdc812694b7b8ea77