The Google Picker is a "File Open" dialog for information stored on Google servers. You can use the Google Picker API to allow users to open or upload Google Drive files.
![Google Picker dialog](https://google-developers.gonglchuangl.net/static/drive/images/picker-2015.png?authuser=1)
The Google Picker API is separate from the Google Drive API. For more information, refer to the Google Picker API.