Opera is a web browser that is available both for computers and cell phones, the latter in the form of Opera Mini.
The main reason why Apple would not allow the publishing of Opera Mini for iPhone was because Opera's functionality can replace that of Safari.
You can access Facebook mobile by pointing your browser (such as Opera Mini or Safari for iPhone), to m.facebook.com and entering your primary e-mail and password.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.