Mike (@pe4everykid) does an awesome job, here, of explaining/showing how he used Class Dojo to create teams when playing small-sided games: goo.gl/5iVakV. Notice how quick the transition is! This is a perfect example of leveraging technology to improve MVPA in PE.
For those of you who are using a Chromebook, laptop or Mac to project to the students (whether on a monitor or using a projector on a screen or wall), you, too, can use this feature, as you can do the same thing from the web version of Class Dojo.
Below you can see how to access the "Group Maker". Just go to "Toolkit" in the lower left and then choose "Group Maker"!!