New teaser of these two characters

Can someone explain to me why there is that symbol next to the YouTube logo?

Here is the main scenario (I know the screenshot is very poorly done)

New teaser (it took me a while to post the teaser because the internet is horrible)

???

New Teaser

Today I was able to continue developing the game a bit, but that doesn't mean it will stop being on hold.

A little about the gameplay (I'm starting to program that character you see on the screen)

A little preview of half the office.

New Teaser.