Only the admins, organizers, and editors can create files and folders within a Team folder. 

Create a file

1. From the home screen, tap to select the folder in which you wish to create a file.
2. Tap the + icon at the bottom of the screen.
3. Tap Presentations, Spreadsheets, and Documents to create a new Show, Sheet and  Writer files, respectively.

You will need to download the mobile apps of Show, Sheet, and Writer to create the respective file.

Create a folder 

1. From the home screen, go to the required folder in which you wish to create a folder.
2. Tap the + icon at the bottom of the screen.
3. Tap Folder.

1. The Create Folder dialog will appear.
2. Enter a name for your folder and tap Create.

1. The New Folder dialog will appear.
2. Enter a name for your folder and tap OK.