Download and install VPK files on your Vita without using a computer or a web browser.
Screenshots: http://imgur.com/a/SIzkL (Version 0.2)
Client:
Required to build: vitasdk (https://github.com/vitasdk)
Server:
Required to build: zlib 1.2.8 (https://sourceforge.net/projects/libpng/files/zlib/1.2.8/)
libpng 1.2.56 (https://sourceforge.net/projects/libpng/files/libpng12/1.2.56/)
and boost 1.61 (http://www.boost.org/)