how can I make screen scrollable vertically for mobile?

so what I wanna do is displaying many images vertically

so screen should be scrollable to see many images in one screen without going to another page

hope to watch some tutorial videos for making general apps but can't find :/

You should't duplicate a topic just because it didn't get answered. Scrolling can be dynamic to get right, your question needs to be more specific, are you looking for touch scrolling?

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yes it should be touch scrolling coz this is for mobile project.

Is there any other scrolling other than touch scrolling in mobile???

By touch I was referring to no use of a scrollbar or buttons, I suppose swiping is the specific term.

I put together a good start:

dropbox.com/s/4tsvcj1k7tdig3c/TouchScroll.c3p