How to get a Vietnam Visa on arrival in Phu Quoc airport?

Obtaining a Vietnam Visa On Arrival in Phu Quoc includes 2 processes:

1. Obtaining permission to legally enter the country in the form of an “Approval Letter” 
2. Paying for the actual Vietnam Visa (also referred to as a “Stamping Fee”). 

Both of these processes involves paying different fees. The fees for the “Approval Letter” varies depending on which agency you use. The stamping fee is fixed by the government of Vietnam.