How do I send Joystick data - x/y location and also character like 'A', 'B', 'C'?

MIT App Inventor Help
1

Hi,
The attached is a MIT APP of a Joystick that send the x/y location data and also the character such like 'A', 'B', 'C' etc.
How to make a distinction sending, and let the receiver can easily use them?
Thanks
Adam

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P212403×669 42.4 KB

P21
P21770×557 78.6 KB

JMMAGCOR.aia (171.4 KB)
The APP modified from a project at ai2.