>3.3.1 — Applications may only use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs. Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine, and only code written in C, C++, and Objective-C may compile and directly link against the Documented APIs (e.g., Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited).
For the purpose of your post, the important sentence in all that is:
Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited
So nee, your solution of a Objective C library written for android would be a compatibility layer, and therefore is forbidden.
>3.3.1 — Applications may only use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs. Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine, and only code written in C, C++, and Objective-C may compile and directly link against the Documented APIs (e.g., Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited).
For the purpose of your post, the important sentence in all that is:
Applications that link to Documented APIs through an intermediary translation or compatibility layer or tool are prohibited
So nee, your solution of a Objective C library written for android would be a compatibility layer, and therefore is forbidden.