1) The ability to write on a team-mate's hero page like a year book. There is negative space on it to accommodate written text. You can set it so that only members can do so, or particular people, or the public. You will be notified if someone writes on your hero page so you can choose to ignore or approve it. The person's name will be written under the comment. Font, size, text color, and emoticons can give comments a personal touch.
2) Be able to give team mates a helping hand with energy. A member can opt to request energy from members. A good way to do this is to limit the amount of energy you can request and the number of times you can do so a day. Also if a team-mate opts to give a member energy half of the requested energy should be taken from him/her. It's a work in progress but requesting favors in general from your team mates would foster team work.
3) Have team achievements. Like 15 people on at the same time would give donuts to the team pot. Or 10 people active for more than 4 hours in one day would give even more donuts to the pot. Or coins. The possibilities are endless.
4) A team mini-game. Say a few of the members have run out of energy. They can play mini-games with each other in the team page that contribute to the team pot of donuts and coins. Maybe arcade games or puzzle ones. Or maybe a game played in team chat. Of course there should be a limit per day to how much loot can be earned from these mini-games to prevent it from being exploited.
That's all I have for now. I will add more if I think of any.
