Class Dojo is a great, free behaviour management tool which several of my primary school teacher friends use regularly. It is more suitable for younger learners than adults, but I have used it with adults to get them competing in teams throughout the whole lesson. You'll need them to buy into the 'cuteness' aspect of it.
- pick letters for games such as scattegories (where students must think of a word starting with this letter for each category, e.g. food, animals, jobs, things in the garden and verbs beginning with B)
- pick letters and students make sentences using as many words starting with this letter as possible (e.g. Basically, Bill bought a big book, but it wasn't the best = 7 pts for B)
- review vocabulary - type in words from your lesson, spin the wheel and the students make an example sentence using that word
- a scattegories variant - put in 10 or so categories (parts of a car, feelings, things in a river etc.), spin the wheel and students have to think of 5 things for that category
- review collocations: put in fragments such as 'your homework', 'a mistake', 'a photo', spin the wheel and students give the collocations