hook_app_post_install not being fired

According to documentation, the hook_apps_app_info post install callback is supposed to be called when the app is initially installed or first enabled. Normally, this would happen when module enable function (http://cgit.drupalcode.org/apps/tree/apps.pages.inc#n327) is called. However, this called back is enable called, because at this point, the hook_apps_app info array only contains the dafault values and is never recalled when the module is enabled, thus, the module will not fire all other callbacks, except those defined in the defaults array(http://cgit.drupalcode.org/apps/tree/apps.manifest.inc#n530)