If you have Google play, you can install this app and verify the spherical nature of our planet via the rotation of objects in the sky with your own eye balls: https://play.google.com/store/apps/details?id=com.PYOPYO.StarTracker
It's better to try finding your phone's factory screen recording software but I would recommend screen recorder (made by kimcy929) https://play.google.com/store/apps/details?id=com.kimcy929.screenrecorder
Well... As a noob, I would recommend that you don't begin with a full bitcoin node - it takes several days to sync completely.
As a matter of fact, if you have a mobile device you'll have a much easier time setting up a wallet - I highly recommend the mycelium wallet if you have an android device, or breadwallet if you have an iOS device. Let me know if these suggestions don't meet your need.