What is a good inexpensive Recording Device n how much memory is needed and the best way to record Arcade Games at Main Event?

1. What is a good inexpensive Recording Device I can buy at a store or online?

2. How much Memory do I need to record a Modern Arcade Game at Main Event? What is good amount like 64 GB?

For example the Fast and the Furious Supercars Race Tracks which takes between est. Avg time 3 to 4 minutes to each Race Track I caculated from a Final Race Time Result to the achievements like a New Record Time, Top Ten listing,Drift Time, Airtime, Tricks, etc, New Game start , Select Track, Select Car etc.to Start of New Race.

Note: I can get the Game Tech to setup the Difficulty Settings for me to be Recorded at the beginning of my 27 Record Attempts on the Arcade Game Fast and the Furious Supercars? I have done it with a Samsung Galaxy 3 a number of times but the Video Recordings were not that good.

3.Can someone give me some good advice on getting the Best Recording for my Race Track Record Attempts of 27 Twin Galaxy World Records Race Tracks on the Arcade Game Fast and the Furious Supercars?

4. What is the best place to put a Tripod while recording Modern Arcade Game at Main Event Entertainment Center?

5.Could I put one of those mini recording devices on my hat or clip it onto the top of the Arcade Game in front of video screen, or on the back seat of the Drivers Seat of the Arcade Game?

Special Note: I normally do not tell people this bit I am ADD that I deal with each day n day n have Dyslexia n Speech Impediment when I was young it it slow me down learning to read n write n speeking but I Overcame those obstacles.

Need help please.!