Sony released free "Demo Discs" on the PS Store (usually under the "Free" section). These contain 8-12 full game trials. Bound, Thumper, and Crash Bandicoot demos are excellent.
or GitHub) and install it using your PS4's standard package installer. Locate the Data Folder: After the first launch, the app creates an on your PS4’s internal HDD. Configure JSON Files: ps4 pkgi freeshop hot
You will typically need two files: the FPKGi app and the FPKGi data package. Install via USB or FTP: Sony released free "Demo Discs" on the PS