This stands for My review of this project or thing is pending, but currently it looks pretty good.
This is commonly used for hashtags on twitter to be able to specify something in a short format.
Also can mean that you will write something else about this topic.
Friend 1: I am about to go see #HungerGames. What do think about it?
Friend 2: I am going to go see it tommorrow, so don't give anything up. MyRP on how good it is.
This company "Insert Company Here", looks really good by this article I read. #MyRP