Is it possible to make an end-to-end variable in the app inventor?

Question

Android

Tell a beginner, is it possible to make a variable that will remain on all screens? A kind of cross-cutting variable
Live example:
Testing. On the answer options page, after answering the transition to the next question and, depending on the answer, +1 or -1 points
, I implemented all this on one page, but how to transfer the variable to the next screen?

Answer 1

can application context variable