I am a noob when it comes to PS4.
Is there anyway of downloading CFW and then being able to download ps4 games and playy them for free? Similar to the freeshop on the 3ds?
There is nothing as elegant as the freeshop for 3ds.
If your ps4 has firmware 5.05 or lower you can run a homebrew enabler and you can download ps4 pkg files from various places on the internet and install them for free. Bear in mind it is illegal in most countries.