Ok thanks! I got a little confused about it because the wiki says it is available on consoles and mobile so I just wanted to knowRight now they are only available on PC. The 1.4 update brings 4 new dev sets I believe.
Other than Ghostar's set and the other dev items introduced in 1.4, all the other dev sets should still be available on Console. They drop from Hardmode boss bags from the Mech Bosses or later.