Laban Key is a Vietnamese keyboard helps you type Vietnamese much faster using Telex input method and intelligent word suggestion. Vietnamese keyboard. Telex & VNI input method, allows typing tones anywhere in the word. Enhanced Telex mode lets you type much faster: cc=ch, gg=gi, kk=kh, nn=ng, qq=qu, pp=ph, tt=th, uu=ươ. Intelligent keyboard.