A Kahoot (https://getkahoot.com/) is a fun learning game made with a series of multiple choice questions. Players answer using any device connected to the Internet.
10 Ways to Use Kahoot (http://www.thesnarkyschoolteacher.com/blog/tech-tuesday-woohoo-kahoot-ten-fun-ways-to-use-kahoot-in-your-classroom)
Kahoot Tutorial (https://getkahoot.com/tutorials/Kahoot_Tutorials.pdf)