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Version
v10.0.2-gp
Latest
Size
9.7 MB
Total
Category
tools
Developer
Trinea
Views
61
Updated
2026-09-21
Screenshots






Dev Tools Mod is an Android development tool that helps you study other applications by decompiling APK files and inspecting their internal structure. It also provides detailed layout inspection, Manifest viewing, and file viewing for learning how apps are organized.
You can use it as a reference when developing your own applications. By examining source code, interface elements, and file structures, you can better understand implementation choices and apply suitable ideas to your projects.
Decompile Other Apps
Dev Tools Mod converts bytecode from APK files into Java source code so you can examine how an application is formulated without its original source code. This gives you a way to study programming structures and understand techniques used inside other applications.
- Source code study: Review Java source code produced from an APK to learn how an application is structured.
- Reverse engineering insight: Examine the internal operation of other applications to gain a clearer understanding of their implementation techniques.
- Implementation learning: Use existing applications as programming references and study solutions that have already been implemented.
View Layout Details
The layout inspection tools show interface details and the organization of interface elements. You can use this information to study how screens are arranged and how user interface components are structured.
- UI structure analysis: Inspect the layout and organization of interfaces from other applications.
- Design reference: Study existing interfaces for ideas about arranging components in your own application projects.
Manifest and File Viewing
The updated version improves Manifest viewing and file viewing, including support for more file types. These views add further information when you are examining an APK alongside its decompiled code and interface layout.
Installation Information
To install the APK, download the file and tap it so your device’s default installer can begin the process. Play Protect may block mods and APK files obtained outside Google Play, so installation can require allowing the installation or disabling Play Protect. Android 5.0 or later is required.
- Pro Unlocked
What’s New
v10.0.2-gp1. Major app design update
2. Improved layout inspection, with support for WeChat and more apps
3. Improved decompilation and Manifest viewing
4. Improved file viewing with support for more file types
5. Bug fixes and performance improvements
Release notes published by the developer on Google Play.View on Google PlayRetrieved 2026-09-21
Verified package facts
These values are read from the installable file and cross-checked against the app's Google Play listing. JoJoy does not run antivirus scans and does not test each build on physical devices.
Data Safety
Published by Dev Tools’s developer on Google Play. It describes what the official app collects and shares, reproduced here so you can review it before installing.
- Data is encrypted in transitYour data is transferred over a secure connection
- Data can’t be deletedThe developer doesn’t provide a way for you to request that your data be deleted
Data this app may collect
- Device or other IDs
- Device or other IDsAnalytics
- Financial info
- Purchase historyOptionalApp functionality
- App info and performance
- Crash logsAnalytics
Data shared with third parties
- Device or other IDs
- Device or other IDsAnalytics
- App info and performance
- Crash logsAnalytics
View on Google PlayRetrieved 2026-09-21
Mod Review
This build suits developers who want to examine APK structure, Java source output, and interface layouts while learning from other applications. It is less suitable if you are uncomfortable with the listed collection of device or other IDs, purchase history, and crash logs. The updated tool is also aimed at users who need Manifest and file inspection, not general Android use. Check the Android requirement before installation, since the listing requires Android 5.0 or later.
What the mod changes
The supplied mod label is “Pro Unlocked,” so it identifies this package as an unlocked Pro build. The input does not specify which individual Pro functions are unlocked or how they differ from the Google Play version. Decompilation, layout inspection, Manifest viewing, and file viewing remain the documented functions, but the label alone does not confirm additional access or changes to them.
Pros
- APK-to-Java decompilation gives you a practical way to study application structure without the original source code.
- Layout inspection helps you examine interface organization when researching how other apps arrange their components.
- Manifest and expanded file viewing provide additional information during APK analysis beyond the decompiled source.
- Support for WeChat and more apps makes the updated layout inspection relevant to a broader set of applications.
Cons
- The data safety information lists device or other IDs, purchase history, and crash logs as collected data.
- Play Protect may block installation because this is a mod or an APK obtained outside Google Play.
- The generic Pro Unlocked label does not explain which paid functions are changed in this specific package.
Verdict
Install it if your purpose is APK, Manifest, file, or layout study and the collected data is acceptable to you. Before installing, compare this package with the listed 10.0.2-gp version and confirm that your device runs Android 5.0 or later.
FAQ
What can Dev Tools decompile?
Dev Tools can decompile bytecode from APK files into Java source code. This lets you study an application’s programming structure without having its original source code.
Can it inspect layouts from WeChat?
The release notes say that layout inspection was improved with support for WeChat and more apps. The tool shows interface elements and their organization for study.
What does Pro Unlocked mean in this build?
The package is labelled Pro Unlocked. The supplied information does not specify which individual Pro functions are unlocked, so the exact change compared with Google Play is not confirmed.
What Android version is required?
Android 5.0 or later is required. This is a minimum version requirement and does not guarantee identical results on every device.
How do I install the APK, and is root needed?
Download the APK and tap it to open your device’s default installer. The source information does not state that root is required, but Play Protect may block mods or APKs installed from outside Google Play.