Just create a comfy keyboard for yourself.
Set size of font, kind of font, color of label, color of key, 3D effect, kind of 3D effect for label, padding, round of corners.
Select kind of background: transparent, solid color or gradient for LED keyboard.
Cut lebel for show background.
Set 3D effect off for flat style of keyboard.
Use indent and solid background as border for keys.
If you see this description by native language then this language is supported by this app, else try English version and send your proposition for add a new language.