Cool!
It would be fun to try them in jam! with other things with Sugar of
course, as that's not very high on its list.
Also, from what I can tell of the bushes I've found (which to echo Jocelyn's post, are right outside of a bank downtown), they may be ever bearing. Like a mulberry tree doesn't have one big crop, but a few ripe berries everyday through the summer. These bushes have red/super ripe as well as orange/hard and green, as well as flowers. I bet there's a scientific word for that type of fruiting...
Anyway, I wager that in order to make a jam I'll have to have at least ten more bushes to make it worth it.
There's a good spot on the UW campus I remember. Maybe there's
enough of a 'critical mass' there to make it worth it to harvest and process.
Otherwise, it's a good snack fruit. So long as you can pop it into your mouth with something with a bit more flavor