DraStic DS Emulator is the gold standard for Android users. Pro-Tips for SoulSilver Runs

A Nuzlocke is a self-imposed challenge. The basic rules are:

When you combine the Pokémon Soul Silver Randomizer with the Nuzlocke challenge, you create a thrilling adventure that tests your skills, strategy, and emotional fortitude. With a randomized Pokémon distribution, you'll need to adapt quickly to the unexpected, making every encounter and battle a challenging and memorable experience.

A Nuzlocke is a self-imposed set of rules to increase difficulty. In a randomized setting, these rules become much more chaotic.