Hollow Knight is a 2017 action-adventure game developed and published by Team Cherry and was released for Microsoft Windows, macOS, and Linux in 2017, and for the Nintendo Switch. The game is also available for PlayStation 4, and Xbox One in 2018. The development of the game was founded by Kickstarter’s crowdfunding campaign, raising over A$57,000 by the end of 2014.
It follows the nameless knight, as they traverse an ancient, plague-infested kingdom inhabited by various insects, known as Hallownest. The Knight will have to travel through Hallownest, fighting bosses and unlocking new abilities to progress, as they uncover the mysteries of the kingdom.
To install the APK file, you will have to enable unknown sources on your phone and the install it. The PPSSPP file on the other hand will require a file extractor to extract it before you can then play it using an emulator.