John DataSync2

John DataSync2 is Johnemulator app's Dropbox plug-in.

John emulators · com.johnemulators.dbxsync

Not rated yet 100K+ downloads vv4.11 2.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 2.5 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: vv4.11 (4110)
Updated: Nov 8, 2025 (11 months ago)
APK size: 2.5 MB
Requires: Android 6.0+ (API 23)
CPU support: Any (no native code)
Category: Arcade (game)
Listed since: Feb 18, 2021 (at least)
Permissions: 7 (2 sensitive)
Developer contact: [email protected]

About this APK

John DataSync2 is a game by John emulators in the Arcade category, listed since at least February 2021. It has no native code, so it runs on any Android processor.

It asks for 7 permissions, 2 of them sensitive: read shared storage and modify shared storage. It asks for the same permissions as version v4.10.

What's new in vv4.11

-Added support for Android 15

Description

From the listing uploaded by “appupdater”.

John DataSync2 is Johnemulator app's Dropbox plug-in. You can backup / restore / synchronize app data. This app does not work without Johnemulator apps. (Android 4.1 or later required.)

Version history

2 versions are listed, going back to vv4.10.

vv4.11 LATEST Nov 8, 2025 2.5 MB TRUSTED vv4.10 May 31, 2024 2.2 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Nov 8, 2025.
Certificate issued to “John” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Nov 8, 2025
Validated against Google Play Nov 8, 2025
Signed byCN=John, C=jp
Signing certificate (SHA-1)24:CF:B2:22:C4:B8:D6:1B:DA:7E:6D:99:61:0A:5A:43:FA:DD:FF:CA
File MD5449cd0f5356dcb65a398a07983828489
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (7)

John DataSync2 requests 7 permissions, 2 of them sensitive.

Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
Full network access android.permission.INTERNET
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

John DataSync2 APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the John DataSync2 APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 449cd0f5356dcb65a398a07983828489.