Hi to bgplay fix dev im such a very big fan who very much wanna see it grow and Level up idk how it can ever do it as it's much much beyond what Is considered a big major plug in /extension/add on it's very good its up even to a Degree of such Greatness to a Level of which even Firefox always it self do always includes as it's why ppl uses it/ Firefox mobile it is recommended and put into a web store with add ons by firefox it can be you it at least allows it as it's Firefox's store addons store in all Firefox inspired variant apps like such as waterfox its past big League for a plug in as there is no Firefox variant which excludes it so it just means accross all variants it do has up to a million+ in total users that's a big achievement for a plug in to be allowed in a store which it probably shouldn't be in for years is more than a Achievement not because of Firefox but Google they wanna gate keep background play even if it's an ancient features that always existed in all phones especially with black berry so having a browser with this feature it can be tricky for many as Google/YouTube is cracking down extremely hard if it's in Google play it will have Limits but your variant of background play in the many many many many many Firefox browsers has non thank jesus it now fails to work in the chromium variant as Google has recently updated we store and so it's web apps has to be updated with a thing called v3 manifest or something like that so plz try to update into what ever is requested by Google or it will be a big problem for the likes of kiwi