Guides

The dash, demystified

Practical, no-fluff guides on mirroring, root, compatibility, and making car screens pleasant to live with. New ones land regularly.

Troubleshooting4 min read

Android Auto Black Screen? Find the Layer That Lost the Picture

A layered, testable checklist for Android Auto black screens — connection, phone side, and projection — including the Google-services dependency most guides miss.

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Setup6 min read

How to Mirror Your Full Android Screen to Android Auto

A practical guide to projecting your entire Android desktop onto a factory Android Auto head unit — what you need, how it works, and how to set it up without a custom ROM.

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Root5 min read

Magisk vs KernelSU vs APatch for Screen Mirroring

All three major root solutions work with KoalaMirror. Here's how they differ, what Zygisk has to do with it, and why you probably don't need to switch.

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Compatibility4 min read

Android Auto Mirroring Compatibility: What Works in 2026

Which Android versions, Android Auto releases, and head units work for full-screen mirroring — the verified matrix, the GMS requirement, and what the car side needs (nothing).

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Background5 min read

Why Android Auto Only Allows Certain Apps — and What You Can Do

Android Auto's app catalog is small by design. Here's the reasoning behind the restrictions, the approaches enthusiasts use, and how full-desktop mirroring differs.

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Launcher4 min read

Set Up a Minimal Launcher on Any Car Screen

Car screens deserve a calm home screen: big targets, dark theme, zero clutter. How to set up KM Launcher on a projected display, aftermarket head unit, or any Android 8.0+ device.

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