As someone who has already sunk far too much time into this game, I can tell you that as it is, it's shit.
When they removed energy from the game, for some reason they also changed pretty much all the teamwork related mechanics. There's really not that much interaction with your team now, since you can't trade capsules or revive each other.
Also, it's had about one real update in the past year or so.
It's a shame too, because I think they have really good boss design.