Here are the games that you can get with your PlayStation Plus membership this month.
The PlayStation 4 titles this month are Invisible, Inc., and Stories: Path of Destinies. The PlayStation 3 titles this month are Hyper Void, and Tiny Troopers Joint Ops (cross-buy with PS4 & PS Vita). The PlayStation Vita titles this month are Color Guardians (cross-buy with PS4), and VVVVVV.
Source: PlayStation Blog