Hello,
Welcome to Microsoft Q&A!
I have to say that is not possible to do what you want. There is no document or code sample for using Microsoft Store API in a Java Application.
Thank you.
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.