Use the Official maimai DX Location Map to find a machine in an arcade near you.
An older, web-based or tablet-focused simulator. It is less frequently updated than AstroDX but works similarly by importing song folders. Download Maimai
Purchase an Aime or Banapassport card at the arcade. This allows you to "download" and save your personal play data, scores, and unlocks to the cloud. Use the Official maimai DX Location Map to
Common sources include the Maimai Simfiles Discord or specialized fan sites. You then move these folders into the levels or songs directory of the app. Download Maimai