A possible concise summary is:
A YouTuber named Mr. Selfie tries to convince his friend Robert that his house is haunted by a ghost of a little girl. He shows him some fake evidence and uses a ghost tracker app to hunt the ghost outside at 3 a.m. He pranks Robert by wearing a sheet and pretending to be a ghost, but then he sees another sheet moving by itself and gets scared.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where a person named Brandon claims that his house is haunted by a ghost and tries to convince his friend Robert.
2. Brandon shows three clips of supposed ghost activity in his house, but they are all either fake or have other explanations.
3. Brandon uses an app to track the ghost and goes outside with Robert to hunt it down.
4. Brandon and Robert encounter a sheet that moves by itself and they run away in fear.