A Quick search lend me to https://www.tenstickers.de/aufkleber/linux-pinguin-laptop-aufkleber-5634

Available at size 22cm X 25cm, It is a spanish based company.

Did have some stall download not long ago, changed my fdroid client to neo store, and didn’t have the issue.

Better use fdroid then

Don’t know about your specific use case but blockads is quite good

You can check framaforms from framasoft. https://framaforms.org/

Completely agree, but did think it was worth sharing in case OP or others already have supported devices

Not exactly what you asked but just in case, you can free some robot from cloud using valetudo List of supported device can be found here

https://valetudo.cloud/