I think this is a terrible idea. Installing a third-party kernel as a minimum will probably break some GrapheneOS features (full USB-C disconnection) or quite possibly the system will be completely broken.
Not to mention the security and lack of patches from GrapheneOS
OSS-DocumentScanner (based on Tesseract OCR)
fryWringer
Perhaps you need to allow DRM in the browser settings (Browser Setting -> Site Settings -> Protected Content)
MicroG is not supported.
GOS AppStore is currently used only for Grapheneos itself (Only with the exception of mirror Acrescent and some Google apps)
All Grapheneos applications (Camera, PDF Viewer, Auditor) are modern applications using only the necessary permits.
yore the inability to go to a certain page number
There is such a function, only it is very not obvious.
Three dots --> "Jump to page" --> in the menu click on the open page number and enter the number manually from the keyboard.
In your place, I would be more worried about TV Box itself than for Google.
This is not the first time to found viruses / extremely dubious software in their systems. They are also actively used by botnets. 1
As far as I know Pixel <6 support is over, at least Android 15 won't be.
https://discuss.grapheneos.org/d/13657-looking-for-help-finding-a-few-apps-for-grapheneos/2
edited to make it clear the link goes to a specific post -other8026
ZipXtract GitHub?
GrapheneMantra Back when I used LineageOS, I could back up the entire phone via the Settings app,
On LineageOS and GrapheneOS (as well as most custom firmware), SeedVault is used for backup.
It is not possible to install GrapheneOS on a phone other than those listed on the sites.
GrapheneOS ONLY support google pixel - https://grapheneos.org/faq#supported-devices
Use VirusTotal.com ? (security)
If you are worried about trackers are not present on the site - briefly yes, in one form or another are present on most sites.