In the future consider uploading your video to the thread rather then providing a link to view what you’ve made.
I would however include more UI options going down to make it more better, you may want to include a more vibrant color scheme to match with the/ shop Ui perhaps include more items and see how it looks just so it doesn’t appear bland and basic – not sure if this was already planned out or currently being added.
my only comment would be gathering reference images to get small ideas on ‘how can I make my Ui better’. If the UI is going to be left like this i would try to at least including a handful of objects inside it just in case you want to use for a game or wanting to create more different result Ui designs.
Overall, it’s not bad for a first attempt here is example of a basic Ui designs it may be something you could take to get smaller ideas that fit your concept: