Hi guys am just a starting out here and need to pick your brains...have been doing my research and have decided on the Phantom 4....now along my research have seen this app called Litchi. As far as I can see from the reviews on YouTube and such, it's gotten good reviews. What do you say on that ? And also it says that you need to switch your flight mode to "F mode ", noobie alert ...where is "F "mode on the controller ? Also do you have to have DJI Go app running with Litchi App or is Litchi App a stand alone . With that I ask you, would you recommend the Litchi App to a noobie, who has never flown anything bigger than a kite in his whole life ? Thanks for the time.... more power to the group !