Binders has been in mainline kernel for years, and some projects ended up using it, if only to emulate android environment - both anbox and its AFAIK successor Waydroid use native kernel binder to operate.
You can of course build your own use (depending on what exactly you want to do, you might end up writing your own userland instead of using androids)
You can of course build your own use (depending on what exactly you want to do, you might end up writing your own userland instead of using androids)