Near the end of December Sony announced the list of free game for PlayStation Plus members for January 2017. Most of them are indie games or smaller games. Some of them I have heard of. All so some of then are cross buy as well. You can read the official blog post > here . They will be downloadable January 3, 2017.
PS4
Day of the Tentacle Remastered. This is a remake of the 90’s adventure game of the same name.
This War of Mine: The Little Ones. A survival game that takes place in a war torn country.
Titan Souls. A pixely action game. Were you only fight boss battles.
PS3
Blazerush. Top down car combat.
Vita
Azkend 2. A match three type game.