Abstract: A server for delivering advertisements to mobile devices includes an application programming interface executable by a processor and configured to: receive an ad call over a network from an application of a mobile device to deliver an advertisement to an ad position on a small screen thereof, the ad position located at a fixed location of the application, the fixed location having a fixed height and a fixed width as viewed by a user of the mobile device throughout use of the application; detect the ad position, including the fixed height and width of the ad position within the fixed location; retrieve from the storage memory an advertisement having an ad format best matching the fixed height and the fixed width for filling the ad call at the fixed location; and deliver the advertisement to the mobile device for display in the ad position during the execution of the application.

Abstract: A server for delivering advertisements to mobile devices includes an application programming interface executable by a processor and configured to: receive an ad call over a network from an application of a mobile device to deliver an advertisement to an ad position on a small screen thereof, the ad position located at a fixed location of the application, the fixed location having a fixed height and a fixed width as viewed by a user of the mobile device throughout use of the application; detect the ad position, including the fixed height and width of the ad position within the fixed location; retrieve from the storage memory an advertisement having an ad format best matching the fixed height and the fixed width for filling the ad call at the fixed location; and deliver the advertisement to the mobile device for display in the ad position during the execution of the application.

Abstract: A method for delivering advertisements to mobile devices includes integrating an ad position within an application executable from a mobile device, wherein the ad position remains substantially constant in a location on a screen of the mobile device as viewed by a user throughout use of the application; including an ad call associated with the ad position; in response to executing the application, causing the ad call to retrieve an advertisement from an ad server; and receiving the advertisement into the ad position by the mobile device for display to the user.

Abstract: A method for delivering advertisements to mobile devices includes integrating an ad position within an application executable from a mobile device, wherein the ad position remains substantially constant in a location on a screen of the mobile device as viewed by a user throughout use of the application; including an ad call associated with the ad position; in response to executing the application, causing the ad call to retrieve an advertisement from an ad server; and receiving the advertisement into the ad position by the mobile device for display to the user.