Creator didn't want 'responsibility of owning a company of such global significance'.
Has the power to unite people and reach new gamers across multiple platforms, says Xbox boss Phil Spencer.
Notch and fellow founders Carl and Jakob are leaving to work on other projects.
Notch could leave once deal is completed, report claims.
PS4 Edition arriving today, according to PlayStation France.
Sony found issues which 4J Studios must fix before going through the process again.
$5 upgrade confirmed for next-gen editions, Vita Edition free to those who already own the PS3 Edition.