You can move, copy, and delete files and folders, or create new folders in your phone memory or on the memory card. If you organise your files into their own folders, it might help you find the files in future.
Select Menu > Apps > Gallery .
In the folder where you want to create a sub-folder, select Options > Add folder .
Scroll to the file, and select Options > Move .
You can also play music or videos, or view pictures in Gallery.