FAQ about the serviceWhen a RAM user attempts to use a resource plan that is purchased by using an Alibaba Cloud account, a message that indicates insufficient balance appears. Why?Which file types can Mobile Testing test?Which platform apps can Mobile Testing test?What test items does Mobile Testing provide?Does Mobile Testing have a limit on the size of app packages that can be uploaded?What requirements does Mobile Testing have for iOS app packages to be uploaded for testing?What do the different colors of numbers on the Testing Management page mean?