Sony announced a few previously released titles that are on their way to becoming full digital downloads for PSN users. You can check out the full list below. 
 
The announcement was made during the PlayStation Blogcast. On the show they rattled off the upcoming titles that are planned to be available on April 24, 2012. The full list is as follows

• Battlefield 3
• The Cursed Crusade
• Darkstalkers 3
• Future Cop LAPD
• Grease Dance
• Bejeweled 3

source | playstation