Amazon.com Inc.’s AMZN, -1.78% Twitch inked a “multi-million dollar” deal on Thursday to build a first-of-its-kind esports league for the mobile game “Vainglory,” which is leading a new wave of esports on touch-screen devices.

People spent 150 million minutes in total on Twitch last year watching other people play “Vainglory,” which is produced by venture-backed startup Super Evil Megacorp. The deal extends Twitch’s commitment to esports, which have skyrocketed in popularity on the video-streaming platform over the last few years. It also shows an interest in multiplayer games expanding to Apple Inc. iOS AAPL, -3.17% and Alphabet Inc. GOOGL, -2.41% Android devices.