To achieve a playable experience, reduce the resolution to 720p (1280 × 720) or lower and adjust graphics settings to "Low" in the menu. The Future: Hollow Knight Silksong on Older Hardware
The 32-bit version , but:
Unofficial fan-made ports exist that support both 32-bit and 64-bit Android devices , utilizing Vulkan or OpenGL to run on older mobile hardware. hollow knight 32 bit