If you want to edit a draft, you are able to tap on the right side of the tour card.

Tap on the upload icon on the left of the tour card to start uploading.
You are able to pause the uploading if needed.

If you want to delete a draft, you can swipe left on the tour card.
You will be asked to confirm before the file is deleted.
Please note: when you delete a draft, it is permanently deleted and cannot be recovered.