Use the interface to toggle which elements you want to randomize (Pokémon, moves, items, etc.).
When people search for a , they often look for a pre-patched file ready to drag and drop onto an emulator. Here is the legal reality check:
: Browse the tabs to change starters, wild Pokémon, move sets, or evolutions (e.g., changing "Trade Evolutions" to level-based ones so you can finish the Pokédex solo).
This can lead to hilarious and surprising results, like a Magikarp evolving into a Tyranitar.