10 Terrific Ways to Use One iPad or iPhone in the Classroom
iPad as the Teacher's Pet
Great Creativity Tools That Every Teacher with an iPad Must Know
11 Steps to Create A Google Plus Community for your Class ~ Educational Technology and Mobile Learning
PowerPoint Game Templates
The 70 Best Apps For Teachers And Students - Edudemic. These are listed as itunes apps, but I'm sure a lot of them can be found for Android as well.
50+ Best Websites for Teachers | Teach 4 the Heart
Post It Note Relay - give each team 2 packs of Post It Notes and see who can get all of them to stick to their person first. (I might steal this one for grown up parties, too)