Just announced at gamescom 2019, The Yakuza Remastered Collection which includes Yakuza 3, Yakuza 4 and Yakuza 5 is coming to PlayStation®4 starting with Yakuza 3 – available right now with a digital purchase of the collection at PlayStation Store.
Yakuza 4 releases on October 29th 2019 with Yakuza 5 following on February 11th 2020. These games will automatically unlock on these dates for all digital purchases of The Yakuza Remastered Collection.
A very limited physical run of The Yakuza Remastered Collection: Day One Edition detailed below will also be available on February 11th 2020. Pre-orders for the physical collection are available now at https://yakuza.sega.com/remastered.
Source: Sega Press Release