Implement Spanish language to a existing Android application

Hi we are a helthcare company based in Massachusetts. And we are looking for an android developer on a long term project basis. But we will give you 1 task with Spanish language translation first to see your working style and knowledge. If you can impress the Senior developer be you will be given more tasks to complete.
Need a person on an urgent basis.
Only people who have 3 to 4 years of experience in Android development and needs to have complete knowledge on android development.
If you know iOS aswell your porfile rate will increase.