Coordinates error at canvas and imagesprites

[TIMAI2]

You are probably suffering from different screen sizes (on devices and that displayed in the designer)

See this thread for some ideas about how to resolve the problem:

Image distortion App_Inventor vs Cell phone screen

Dear friends of the forum … it is interesting what can be done with App_Inventor I want to make an application for people to make decisions before … to go to the doctor, emergency or stay home. I have uploaded an image of a bust, … where color points (Ball) must be pointed out (they must change according to the value in the textbox). In this startup I have the problem that what I do in App_Inventor does not look the same on the cell phone screen, it is distorted. How do I keep it from moving …