UPDATED: All PS.Blog PR Announcements
Chariot Coming to PS4
http://blog.us.playstation.com/2014/04/30/chariot-coming-to-ps4/
Axiom Verge: Sci-fi Sidescroller coming to PS4, Vita
http://blog.us.playstation.com/2014/04/30/axiom-verge-sci-fi-sidescroller-coming-to-ps4-vita/
Spelunky Coming to PS4
http://blog.us.playstation.com/2014/04/30/spelunky-coming-to-ps4/
Nidhogg on PS4: Sidescrolling Competitive Fencing Action
http://blog.us.playstation.com/2014/04/30/nidhogg-on-ps4-sidescrolling-competitive-fencing-action/
Jamestown Plus Coming to PS4 This Summer
http://blog.us.playstation.com/2014/04/30/jamestown-plus-coming-to-ps4-this-summer/
Drifter Coming to PS4 and PS Vita
http://blog.us.playstation.com/2014/04/30/drifter-coming-to-ps4-and-ps-vita/
RPG Platformer Chasm Coming to PS4 This Year
http://blog.us.playstation.com/2014/04/30/rpg-platformer-chasm-coming-to-ps4-this-year/
Escape Goat 2 Coming to PS4
http://blog.us.playstation.com/2014/04/30/escape-goat-2-coming-to-ps4/
Source on PS4: Evolving The Adventure
http://blog.us.playstation.com/2014/04/30/source-on-ps4-evolving-the-adventure/
Ironclad Tactics Coming to PS4
http://blog.us.playstation.com/2014/04/30/ironclad-tactics-coming-to-ps4/
Apotheon Coming to PS4
http://blog.us.playstation.com/2014/04/30/apotheon-coming-to-ps4/
Starwhal: Just the Tip Flopping to PS4, PS3
http://blog.us.playstation.com/2014/04/30/starwhal-just-the-tip-flopping-to-ps4-ps3/
Skulls of the Shogun: Bone-A-Fide Edition Rolling to PS4
http://blog.us.playstation.com/2014/04/30/skulls-of-the-shogun-is-rolling-onto-ps4/
ORIGINAL
They are all announced yesterday in a Indie Showcase from Sony.
Spelunky (Cross buy for the people that have it already on PS3 or VITA.
