PornHubGif lined up 18 bengali dev gifs for you - every one free and on autoplay.
The first clips sit nearest to bengali dev; scroll down for thai and desi loops.
Yes. 11 of the clips are vertical and the whole site runs fine on mobile.
Most loops are HD - the player serves the best quality your connection can handle.
People who watch bengali dev usually also look up thai, desi, amp.