Device capability filtering

A non-transitory computer-readable storage medium comprising instructions that, if executed by one or more processors of a computing system, cause the computing system to perform operations comprising:

• receiving, at a computer server system and from a remote computing device, an application requirement definition for a computer application to be made available at an online marketplace;
• comparing the application requirement definition to device capability information for a plurality of different computing devices stored in a library of the computer server system;
• and
• identifying types and quantities of computing devices whose corresponding device capability information indicates an ability of the computing devices to execute the computer application according to the application requirement definition, wherein the quantities of the computing devices are identified based on initial activations of operating systems of the computing devices.