The MNN Large Model Android App, developed by Alibaba, is an Android application based on large language models (LLMs). It supports various input and output modalities, including text generation, image recognition, and audio transcription. The app is optimized for inference performance to ensure efficient operation on mobile devices while safeguarding user data privacy, with all processing done locally. It supports a variety of leading model providers, such as Qwen, Gemma, and Llama, making it suitable for various scenarios.