How to make a keyboard using button

MIT App Inventor Help
1

I want to make button to type something plss need help in blocking im getting frustrated

2

Type something where?
Show what you've done/trying to do.

3

This is a Keyboard with buttons, by Scott Ferguson:
https://groups.google.com/forum/#!msg/app-inventor-developers-library/FSynR9EiTj8/OMMcpM1InWwJ

tecladoper
tecladoper599×595 174 KB