FileDrop Pro for Dropbox (com.growme.filedrop) on Google Play
You can Download "FileDrop for Dropbox" free.But, You must install this App if you want to use advanced feature.This app works with "FileDrop for Dropbox.If you don't install "FileDrop for Dropbox" then go to below link.https://play.google.com/store/apps/details?id=com.growme.filedrop.lite