How to hide textbox while playing on Android?

[ZioGano]

Title says It all, Just started playing and i want to know of there's a possibilty to hide textbox when there's no option in menu settings, like the "H" on PC

 

[MissFortune]

I don't believe you can on the user end of it. The dev either has to use a window-hide or add a button to the quick menu. Though, something like this might work for android ports. Couldn't tell you if it works or not, though. Don't really play many game on my phone.