To install the official application on an iPhone or iPad, the system must meet strict hardware and storage thresholds: Total War: MEDIEVAL II - App Store - Apple
Based on your query, you are likely looking for either a (academic article) or a guide (often called a "paper" or FAQ in gaming communities) regarding Medieval II: Total War , specifically focusing on the IPA (Isengard/Peter Jackson's Lore) faction or the Hotseat multiplayer mode within the Third Age: Total War mod (where IPA is a common sub-mod or term). total war medieval 2 ipa hot
For further official updates and "spilling the beans" on upcoming features, you can follow the Feral Interactive News Feed modding instructions for the mobile version or help setting up a multiplayer campaign Latest Game News - Feral Interactive To install the official application on an iPhone