Use your preset to generate seeds that will only require techniques you know
Full item randomization (like Dessy) or majors/minors randomization (like Total)
Area randomization: randomize the access between the main areas of the game
Different progression speeds, from slowest, stuffing your way with as many non-progression items as possible, to fastest, where you will be able to visit Zebes pretty shortly
Choose the quantity and distribution of minors and energy
Various optional patches are available to enhance the gameplay
Super Fun Times: Have fun randomly removing major items!