https://dps-ab-prod-assets.s3.amazonaws.com/4bf4-97234/unsigned-viewer.apk?AWSAccessKeyId=ASIAJ2TYC2HPQLHKACWQ&Expires=1413991492&Signature=viP7WLQUe25ViwflBEXnJZm5J58%3D&response-content-disposition=attachment%3B%20filename*%3DUTF-8''test.apk&respons=

This URL has not been tested yet.