I struggled so long with having to use Chrome for translations on Android until I found out that my favourite translating extension works with mobile Firefox just perfectly. See [3] on how to install it in Firefox Beta (maybe this method or even the extension itself is already available in Firefox Release).

[1] https://addons.mozilla.org/en-US/firefox/addon/traduzir-pagi... [2] https://github.com/FilipePS/Traduzir-paginas-web [3] https://www.ghacks.net/2022/10/20/firefox-beta-for-android-n...