The Video Game Olympics are set to debut at Rio for 2016.
Brazil, Canada, USA and Britain are the only confirmed entrants so far. Although I imagine more countries will submit their enteries soon.
Nartional qualifiers will be held domestically to produce teams for each olympic competition,
A new body, the International eGames Committee (IEGC), has been set up to govern this,
This is showing that eSports, an already multi-million dollar industry is onwards and upwards in popularity and seriousness. You also have betting organisations offering bets on individuals/teams winning at various eSport competitions, of which can attract in some instances $10M+ prize money (The International 2015, the main eSports tournament for Dota 2, attracted a prizepool of over $18M).
There will be a mix of PC, console games and maybe mobile games (Angry Birds Olympics anyone?).