Based on the text provided, it is difficult to ascertain the purpose and function of Mobile Diffusion. The text seems to be promoting Apple products, including Mac, iPad, iPhone, Apple Watch, and AirPods, but it is unclear how Mobile Diffusion fits into this context.
It appears to be an app available on the App Store that can be downloaded on iPhone, iPad, and iPod touch. The text mentions reading reviews, comparing customer ratings, and seeing screenshots, which suggests that Mobile Diffusion might be a tool for browsing and discovering other apps on the App Store.
However, without further information or context, it is impossible to determine whether this is the case. Therefore, based solely on the information provided, it is recommended that Mobile Diffusion be listed as an app available for download on the App Store, but its specific function and purpose remain uncertain.