you dont need root for these things.
just download the fdroid apk from its website, open the apk (you probably need to allow installing third party apps in the settings, which come disabled by default these days), then search for libretube or newpipe inside fdroid after letting it download its app catalogue (it may seem confusing that fdroid seems empty at first, but you may just need to slide down to update and wait a second for it to download the catalogue).
oh, you meant that since russians cannot contribute, then they’re not going to work with american companies that want to have their firmwares supported by the kernel.
you dont need root for these things. just download the fdroid apk from its website, open the apk (you probably need to allow installing third party apps in the settings, which come disabled by default these days), then search for libretube or newpipe inside fdroid after letting it download its app catalogue (it may seem confusing that fdroid seems empty at first, but you may just need to slide down to update and wait a second for it to download the catalogue).