Dynamically resized, 100% width grid with 1px borders, centered content, variable columns.
Updated to match latest changes to API
In Google Developer Console inside your app project, on the Credentials section, you must create a new "Service Account" "Client ID", if you have not already. And download the JSON file.
On Google Play Developer Console you have to give permissions to "YOUR_SERVICE_ACCOUNT_EMAIL@developer.gserviceaccount.com" for uploading apks.
Download Google APIs Client Library for Python (google-api-python-client): https://code.google.com/p/google-api-python-client/ or use pip: