If you are going to shoot yourself and want it to look great, I suggest you get some of the technicalities right. Especially setting focus.
Yes, it's so much easier to keep all the settings of the video camera on your smartphone to auto, but that's not going to give you the sharpest image.
But how can you stand in front of the camera in the position where your are going to present from, and at the same time be behind your phone so you can set the focus?
For support in the production of videos check out Business Video Services.
If you want to learn how to make your own videos using your smartphones or tablet check out the Easy-Pro Video Online courses
You can also attend one of Neil’s video workshops
Or Neil can support you in making Engaging and Inspiring training videos