To add another language to my APPs for IOS and Android

برمجة أندرويد برمجة تطبيقات أيفون برمجة iOS برمجة أندرويد برمجة تطبيقات أيفون برمجة iOS

i have apps in IOS and in androidn,this app is with engilish languge , and i want to add another languge which is swedish , i will provide all translation texts , just want a app developer to add the new languge so the app can work in both languges