Thanks for your reply @Nathan Explosion,
but i have a lot of app and plugin i've buy but don't have installed. Then this will help me to manager better my orders and plugins. for example, i have 3 or more paid theme and i don't keep then updated, because normally don't receive updates or ips version compatiblity. If add this feature, will help me to know which theme/plugin/module i can pay for upgrade. Or if i own a plugin not install and this plugin receive a upgrade to 4.6x, i can return this feature to my forum.