The official mobile ports by Mob Games Studio are available on the Google Play Store and Apple App Store. These are generally paid apps. Unofficial or "Free" Versions
Sites like Softonic host "unofficial" or "free" mobile versions. Be cautious: These are not official releases and may contain bugs, ads, or security risks. Poppy Playtime Chapter 2 Download Free
If you are looking for the game, here are the official and common ways to access it: The official mobile ports by Mob Games Studio
To get the legitimate, safe version of the game, you usually need to purchase it through these storefronts: safe version of the game