There is a set of localization components for Firemonkey called DKLang. It allows you to easily localize your Android and IOS apps in Delphi XE5. Localizing your apps allows you to reach a wider audience on the app stores. This component package looks pretty easy to use. It also has a DKLang Translation Editor available to easily customize the translation of your app and it supports Unicode. It is thread safe, allows transparent language switching, and it’s runtime optimized. The component is open source.