1. It will be nice if decorations can spin.
2. Decorations can add some procent for population produce. (it will be usefull and more players can add decoration to theyr islands)
3. New buff for faster bulding upgrade.
4. It will more interesting if Generals can have own XP there they collect from adventures.
4.1. If Generals can collect XP then they can rise own level and have own skills what it can be use in adventures.
5. More Guild utilization: It will be nice if it will be created events for Guilds who want to register for events - e.g. guild battles in other island for some points, with what points players can buy some stuff from merchant or something.