The "Mod" wasn't for the app’s features; it was a modification of the video feed itself. He opened the executable on his handheld deck, and the camera didn't show his cramped apartment. It showed the apartment as it would look five minutes into the future. He saw himself standing up, looking toward the door just as a heavy knock echoed through the hallway.
The keyword includes "portable," referring to a version that doesn't need installation. For the official app, a "portable" version doesn't exist. For a mod, this increases the risk: