Thank you so much!
Yes I used the drag and drop feature as you told and was able to move left and right. then i had to make them stop so what I did i put the solids on left and right so the panel that is pinned with objects stays in between them. The link you shared(https://howtoconstructdemos.com/scrolling-a-list-of-players-scores-images-etc-example-a-capx/) helped me alot.
I'll share my code below:
Then i showed check mark on the selected item like this:
And in the start layout I reset those items which were in the list like below. I used separate ids because I had more items with other ids on the page which were out of the list.