To utilize a backup of this nature, a PS Vita must be running custom firmware. The modern homebrew ecosystem allows consoles on various system hardwares to be safely modified using browser-based exploits. Once the system is modified, tools like VitaShell are utilized to manage files, while plugins are managed via configuration files to ensure the console recognizes unencrypted digital licenses.
The story of Omega Labyrinth Z ’s absence in the West is a significant piece of Vita history. In November 2017, publisher PQube announced plans to bring the game to North America and Europe in spring 2018. However, in June 2018, PQube released a statement that it would no longer be publishing the game for PS4 and PS Vita in those regions. The statement explained that PQube had to "respectfully comply" with the wishes of the platform holder, Sony. omega labyrinth z ps vita jpn nonpdrm free