Madden 18 Mobile comes with its own set of achievements from xingwang's blog

Madden 18 comes with its own toned down Longshot Mode which is equally entertaining as the console versions. Play the Longshot mode and complete it. It is one of the good modes and it also a source of easy coins for Madden Coins your MUT. Guide Devin through his journey on getting to NFL and earn coins along the way.

Madden 18 Mobile comes with its own set of achievements. You must try to complete as many achievements as possible. Each achievement you complete will also reward you with coins. Therefore, they are also an easy source of coins. Complete all the given achievements and you will have a healthy pocket.