Problem with Gesture doesn't work swipes

MIT App Inventor Help
1

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I want to do bluetooth chat with swipes as telegram, but swipes aren't working

2

I am not familiar with this Gesture component.
Ar you sure the direction value will come back as text values like 'right' and 'left', versus numerical degrees 0-359?

3

...it's unusual to use a Maths Block to verify a Word