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Android tools by aBetterAndroid

Browse display utilities, testing tools, and advanced Android shortcuts—with root, compatibility, and safety limitations stated up front.

Reviewed July 12, 2026
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Important: Play availability, price, supported devices, ratings, and app behavior can change. The individual Google Play listing is the source of truth before installing or purchasing.

Featured display tools

Tune how Android fits your screen

DPI Changer showing Comfort, Balanced, and More Space quick presets

DPI Changer

Switch Android's logical density with quick presets, custom values, and a safe reset path.

Explore DPI Changer →
Resolution Changer showing Sharpest, Balanced, and Battery saver presets

Resolution Changer

Choose a resolution preset, create a custom size, or restore the stock display configuration.

View on Google Play ↗
Display

Resolution DPI Changer NO ROOT

Inspect and work with Android logical density and resolution values.

View app details →Testing

Ads Test — AdBlock Detector

Check ad-blocking behavior. This utility tests; it does not block ads.

View app details →Display

Resolution check DPI changer

Read Android screen resolution and logical density values.

View on Google Play ↗Display

DPI Checker — Easy DPI Check

A lightweight tool for checking the current display density.

View on Google Play ↗Advanced

Fastboot Reboot

Reboot supported devices into fastboot or bootloader mode. Compatibility varies.

View on Google Play ↗Root

Recovery Reboot

A root-only shortcut for rebooting supported devices to recovery.

View on Google Play ↗Root

Advanced Reboot — Boot Recovery

Root-only reboot shortcuts for supported Android boot modes.

View on Google Play ↗Experimental

MitigationsOff — CPU Mod Tweak

An advanced security-sensitive utility. Disabling mitigations can expose vulnerabilities.

View on Google Play ↗Legacy

S20 Advanced Lockscreen

A legacy Galaxy S20 refresh-rate utility with narrow device compatibility.

View on Google Play ↗Legacy

S20 Advanced Menu

A paid, root-only Galaxy S20 utility. Verify current compatibility before purchase.

View on Google Play ↗
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Current Google Play listings

Choose an app to read its local guide when available or open the current Google Play listing. Legacy and advanced utilities are kept visible for existing users, but they should not be treated as universally compatible with modern Android devices.

Keep exploring

Android display density guide

Understand DPI, logical density, PPI, resolution, dp, and sp.

Android ad-block testing guide

Test browser, Private DNS, VPN, and in-app coverage separately.