Also, instead if the "Stamina" system, you take time and resources healing your girls in the hospital instead. You only start with 2 Hospital beds. You can obtain only 1 more bed at missions 5-5 (which takes awhile), and More Hospital Beds appear to be nutaku gold only. Want to heal your girls so you can play more? Only 2 girls at a time. Not only do you have to wait, you will probably have to visit just to set more girls in the hospital.
Equipment crafting system seems like Kancolle, in that you dump a set amount of 4 resources into a machine and see what pops out. I've no experience in Kancolle though, so I have no idea what you're supposed to do to craft decent equipment. You can dump all your resource reserves in there if you wanted, but that's obviously a terrible idea.