This phrase refers to a specific method for obtaining and utilizing software designed to enhance the functionality of the PlayStation Vita handheld console. The components included enable the user to run PlayStation Portable (PSP) games and applications on the Vita, expanding the device’s software library. The ‘661’ portion likely indicates a specific version or build number of the involved software, while ‘pbp’ refers to the file format commonly used for PSP games. The process involves acquiring this software and transferring it to the device using designated procedures.
Implementing this functionality grants users access to a substantial catalog of games originally developed for the PlayStation Portable, effectively extending the life and capabilities of the Vita. This provides a cost-effective alternative to purchasing games directly from the PlayStation Store. Historically, such modifications have been driven by the desire to overcome limitations imposed by the device’s original software and gain greater control over its features, often fostered by a dedicated community of enthusiasts and developers.