There's a really useful FAQ in development over on the official Ship of Heroes site.
Adding an index into it here for completeness...
Basis Of The Game And Why We Are Here
Donations
Lore
The FHS Justice
Zones
Combat, Missions And Leveling
Loot, Augments, Temp Powers, Infusions and Crafting
Enemy Groups
Archetypes
Power Sets
Game Cost and Tokens