Speaking at the Develop event this week in the UK (as detailed by OPM), Neil Brown, Sony’s R&D senior team leader confirmed that players can easily gain access to their library of games even when they are not at home. Using the example of playing games over at a friend's house, Brown said that the whole process is as simple as logging into your account and starting a download. But what really makes it work well is the fact that you can begin playing the game as it downloads.
"You can visit your friends house you can log into your account and play any game from your digital library, which is good," Brown said. "But how useful is that if it takes half a day to download the game you want to play? With Play As You Download you get much quicker access to at least the first section of the game so you can start playing quicker. So this makes a digital library a practical option in the real world."
"A similar system also works on Blu-ray, chunks are automatically copied to the hard drive in the background," Brown continued. "This means that after the first few minutes your game can rely on having faster read speeds from the hard drive. Which provides a better experience for players, and this is a completely background process for the player. They don’t have to wait for anything to install before playing the game. The game will launch as soon as the disk has been put in the drive."