App installed but cannot open

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Hi, I have a pixel 3XL  with android 9 beta 3. I can download the app and install it, but I cannot seem to open it. Every time the system just says the app has stopped working, without evening getting to the launch screen. What can I do to fix that or is it just that the current version is not compatible with Android 9? The app version I installed is 2.1.1 I think. 
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Karan tech
Karan tech
Turn off your goggle play protect first,then install tap tap.
05/24/2019
User404274
User404274
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Didn't work :(
05/26/2019
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