Improving post-installation application interaction

Methods, systems, and apparatus, including computer programs encoded on a computer readable storage medium, including methods for providing content. Data specifying post-installation activity is received from a provider of an application. An opportunity to provide third party content to a user is identified. A likelihood that the user will perform the specified post-installation activity is determined based on the one or more attributes of the user and attributes of the user that have previously performed the specified post-installation activity in the application. A selection value of the third party content identifying the application is adjusted based on the determined likelihood, where the selection value increases when the likelihood increases. Third-party content identifying the application is selected based on the adjusted selection value. Third party content identifying the application is distributed to the client device of the user. 方法、系统和设备包括在计算机可读存储介质上编码的计算机程序，包括用于提供内容的方法。从应用的提供者接收到指定安装后活动的数据。标识向用户