Side*note: I really hope we can move away from the term "sideloading" which makes it sound like we're doing something on the down low.
replyInstalling something is a perfectly normal operation - it's the App Store that's the special case :).
Yes, how about just "loading"?
replyDirect Install, or better yet, Owner Controlled Install.
replyLets call it what it is.
You actually can use most bluetooth apis in websites on most browsers outside of iOS [0]. I used recently this tool [1] to program my baofeng radio and the bluetooth aspect of it worked great, but I did end up having to reverse engineer aspects of the payload to get it encode and decode all the channel configuration correctly.
reply[0] https://developer.mozilla.org/en-US/docs/Web/API/Web_Bluetoo...