"App loading" refers to the process of a mobile application or software program starting up or opening. It is the time it takes for the app to load all its necessary components so that it can be ready for use on a device. Full definition
Aside from the new features, the Android update gives faster app loading time, upgraded settings menu, adaptive icons and a swift boot time. (pcquest.com)
These vehicles are equivalent to the eReader platform or software apps loaded on our devices. (davidmarkbrownwrites.com)
So it's firmly a mid-range handset, but performance leaves nothing wanting, with apps loading quickly and smoothly in our brief time with the phone. (androidcentral.com)