Buy without google play

Issue description:

I want to buy and use symfonium but the only way to do this is via google play, my phone does not have google services, is there any way to achieve this?

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Upload description: help to buy without google

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Reproduction steps:

 

 

Media provider:

Local device

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This is covered in the FAQ.

Current solution is How can I pay for symfonium without google play? - #2 by Tolriq

just as an idea, check cryptomator, they generate license keys that can be activated without google