On-device app discovery is a relatively new user acquisition channel that allows marketers to advertise apps directly on smartphones via multiple touchpoints. Third-party platforms such as Appnext have been at the forefront of transforming devices into unparalleled advertising tools for app developers by utilizing the full potential of on-device recommendations. Such on-device placements are the most valuable real estate of the device because they are delivered directly to the home screen; placing them straight in front of users in an engaging and unobtrusive and seamless manner. It is clear that device-level app discovery is fundamentally shaping how users interact with…