Summarize the following:
" Tap the shortcut icon on your phone's home screen to launch it. If it's not on your home screen, you can find it in your app drawer. Swipe across the screen to slide to do this. You will be shown a list of options Another list of options will pop up.  Login details may differ depending on the provider but usually only the username or e-mail and password are required. Some of the providers that are supported are:  Google Drive Dropbox Box Sugar Sync Sky Drive Not all cloud service providers can be linked with File Commander.

Summary:
Launch "File Commander. Open the app menu. Choose “Add account” under "CLOUD ACCOUNT". Select your cloud storage provider. Enter your login details for the cloud storage provider you chose.