Mark

Gallery does not open, because of wrong Intent string

As noted in my earlier comment, it's not possible to add this by default, but the next version will have the debug option Settings/More camera control/Gallery to support different methods of launching a third party gallery application.

viewing last photo opens Image Toolbox

As noted in my earlier comment, it's not possible to resolve this by default, but the next version will have the debug option Settings/More camera control/Gallery to support different methods of launching a third party gallery application.

Note that Dolby have reportedly sued Snap over AV1 (e.g. https://www.techspot.com/news/111865-dolby-sues-snap-over-video-compression-patent-claims.html ). It's possible that applies more to applications including that code specifically rather than using on-device codecs (AV1 at least has Android support directly now as far as I can tell). But then, more generally, that does highlight a risk of including third party libraries to do image/video encoding (in theory the risk applies to any code I write...

I'm not quite sure what methods that the GCam ports use, but I note they have the advantage that there are many versions of these often tailored made/supported for specific devices, In theory there are hacky backdoor methods that work on some devices, but will break or give buggy behaviour on other devices - the link above is indeed useful, so yes that explains why they need different versions. Renaming the package name requires some kind of development tools (either rebuilding from the source, or...

See also https://sourceforge.net/p/opencamera/tickets/1328/ .

I've added support for MediaStore.ACTION_REVIEW for the next version, but I'd had to add it as a second priority to "com.android.camera.action.REVIEW" - a problem is that some older gallery apps only support "com.android.camera.action.REVIEW" (even though in theory they're the ones that should be updated, users will complain to me if Open Camera no longer works with it...) I wasn't sure what your symptoms were - if you weren't seeing any options at all for viewing photos/videos, then the new version...