US Patent 9189220 Evaluating application compatibility

Disclosed are various embodiments for evaluating application compatibility with computing devices. A set of applications is determined and then filtered to exclude those applications which are incompatible with a particular client. The filtering is performed by determining a capability set for the client and performing an evaluation of a compatibility expression for each application using the capability set to determine whether each application is compatible with the client. The filtered set of applications is returned and may be used in user interfaces associated with an application marketplace system.