I am not alone with this. After days of attempting to get a paid program to download onto my phone, I was contacted by the developer of the said program, and he had shared with me that there is a growing number of people who make a purchase with the transaction immediately recorded, but the software takes hours to days to download. To support what I am saying is to google the following: google checkout troubles and read the issues.
MICP 1480
MICP 1480