Login/Signup Platform works correctly on the emulator and on AI companion, but not on my mobile

[nishyanthkumar]

This is the AI2 community, not the AI2U community.
Also, see (in the same topic @Ramon posted in post #50):

Are App Inventor Projects Limited to 10 Screens?

There isn't a hard limit on the number of Screens in an app. When used properly, multiple screens are a perfectly reasonable way to organize your app. For example, in a app for finding restaurants you may have a main screen with a map, a second screen that shows restaurant data, a third that shows menu contents, a forth that shows pictures of food, a fifth that shows reviews, etc. In this design each screen is a view over some model (cf. model-view-controller design pattern). The wrong way to u…