What platforms is this game getting released to?

At this moment, only a PC release is planned.

Is SMWBT a fangame? And what is it being made in?

SMWBT is a fangame, and its being made in SMBX2.

When will the full game release?

We don't know yet.

The game has no executable file, how do i open it?

This game is made with the SMBX2 Engine, which is needed to be able to play.

I found some kind of bug, will you fix it?

Of course! Just contact me anywhere on Twitter or Discord.

When i open the game it looks out of ratio, how can i fix it?

Resize the game's window, it defaults to SMBX2 original resolution.