tutorialsRead the story
CrossMix OS: The Complete Guide for TrimUI Handhelds
CrossMix OS keeps TrimUI's stock interface and rebuilds everything behind it. Here is what it does, the version confusion nobody explains, and how to install it.
Tutorials Archive
Tutorials coverage for retro handheld fans
Practical setup help for firmware, emulator tweaks, SD card prep, and the small fixes that make handhelds easier to live with.
tutorialsJul 29, 2026
OnionOS on the Miyoo Mini Flip: What Actually Works
Sellers advertise the Miyoo Mini Flip with Onion OS, but the official project never supported it. Here is what you are actually buying and what breaks.
tutorialsJan 6, 2026
Pokemon Emulator Guide: Best Handheld Devices for Playing Retro Pokemon Games
Discover the best Pokemon emulator handheld devices for playing classic Pokemon games. From budget-friendly options to premium devices, find the perfect retro gaming console for your Pokemon journey.
tutorialsNov 7, 2025
How to Back Up Your GBA Game Saves: Complete Guide for Retro Gamers
How to back up Game Boy Advance save files: hardware options, software tools, and the practices that keep your progress safe.
tutorialsNov 4, 2025
How to Add Box Art in OnionOS or GarlicOS: Complete Visual Guide
A step-by-step guide to adding box art to OnionOS and GarlicOS handhelds like the Miyoo Mini Plus and Anbernic RG35XX.