B16x2 Keyboard for sale
B16x2 vs QWERTY
To locate alphabet in B16x2
<To create your own dictionary>
( App Download )
You can try this if above apk not work with your phone.
Amazon App Store - free, IAP
Google - each language edition
Samsung - each language edition
About the author
B16x2 Keyboard has optimum for you. You need to find it first if not yet.