A cloud-based identity and access management service for securing user authentication and resource access
@player wanna Thank you for reaching out to us, As I understand you are trying to delete an application from the Azure AD. logged in user should have one of the following roles: Global Administrator, Cloud Application Administrator, Application Administrator, or owner of the service principal in order to delete the application.
Refer to these articles for more details: https://learn.microsoft.com/en-us/azure/active-directory/manage-apps/delete-application-portal?tabs=http&pivots=portal
One of my colleague worked on similar issue - https://learn.microsoft.com/en-us/answers/questions/1167905/how-to-delete-app-registration has mentioned detailed the steps in achieving this ask, let me know if the issue still persists we can have a call to discuss the same.
You can reach me by sending an email on azcommunity [at] microsoft [dot] com referencing this issue with a subject line "ATTN:Givary"
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