Here, we will give you some references for MOBA Games which you could play on a smartphone:
Mobile Legends: Bang Bang
Mobile Legends: Bang Bang is a MOBA Online Game that is similar to DotA, but it is for smartphone users. Mobile Legends is very popular among players around the world that has multiplayer features. Also, the game, published by Moonton, is good for a smartphone with 1 GB RAM, or above.AOV (Arena of Valor) Mobile Arena: Action MOBA
Arena of Valor is a MOBA presented by Tencent. AOV becomes very popular as they put superhero characters of DC Comic to the game, like; Batman, Superman, Wonder Woman, and The Flash. It also comes with several plus points such as; free heroes to choose, and it does not need a smartphone with huge RAM.Vainglory
If you are players of DotA on the computer, you must know about this android game. Besides the graphic quality which is very awesome, Vainglory is the most popular MOBA game in 2017 and becomes the best strategy game on Google Play Store.Heroes Arena
A MOBA Game from uCool also comes with their best features. As there are varieties of hero on the battle mode, it makes playing multiplayer mode with friends becomes very challenging. Compare to Mobile Legend, or Vainglory, each hero of Heroes Arena have about five skills (active and passive) which makes this game very interesting.Competitive, and full of strategy, that's all Best MOBA Online Game for Smartphone with 1 GB RAM.