In my search for good keyboard that support AMOLED mode, I found out about FlorisBoard which looks perfect to me. It even supports Halmak Keyboard Layout, which I didn't expect to find at any Android Keyboard.
Which make me ask, How is this keyboard not popular?
I, for one, prefer Unexpected Keyboard because it has alt, ctrl, fn, and easy access to all the symbols i need for English and Portuguese. Sadly, it lacks some emoji, but i never used them much beforehand; just feel like i'm missing out lol.
the basic idea is that you tap a key, and drag towards an optional character you want to use, to enter it. here's a preview:
