: Some third-party "All Engines" bundles for Android claimed to include Houdini 2, but these are often unverified and may not offer the full professional strength of the PC version. Key Features of Houdini (PC Version)

But do not be disappointed – you have something better. The combination of and Stockfish 16 gives you:

Unlike engines that prioritize pure materialistic gain, Houdini is renowned for finding speculative sacrifices, active positional play, and "human-like" attacking maneuvers.

Engine is slow (only 200k NPS). Solution: You likely have "Threads" set to 1. Increase it to 4 or 6 in the engine settings.