O-Pens

Mixed your color.

广州天河高新技术产业开发区太极电子有限公司 · com.v11.opens

Not rated yet 10K+ downloads v5.2.3 14.6 MB Android 9+ PEGI 3 · Everyone

Download APK 14.6 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v5.2.3 (43)
Updated: Apr 26, 2026 (5 months ago)
APK size: 14.6 MB
Requires: Android 9+ (API 28)
CPU support: Any (no native code)
Category: Beauty (app)
Listed since: Jun 15, 2021 (at least)
Permissions: 4 (1 sensitive)
Website: o2nails.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

O-Pens is an app by 广州天河高新技术产业开发区太极电子有限公司 in the Beauty category, listed since at least June 2021. It has no native code, so it runs on any Android processor.

Since version 5.1.6, the APK grew from 8 MB to 14.6 MB. Since version 5.1.5, the minimum Android version rose from 6.0 to 9. It asks for 4 permissions, 1 of them sensitive: camera. Compared with version 5.1.6, it drops 1 permission: “Read shared storage”.

What's new in v5.2.3

Fixed som bugs.

Description

From the listing uploaded by “appupdater”.

O-Pens is a APP for coloring the nail polish, with the world's first patented product --StyleMate adjustable nail polish pen, with nine kinds of nail polish colors as the basic color, to achieve the deployment of hundreds of colors. According to the required deployment of colors and the numbers of nails needed, it can give the best way to deploy your nails.

Version history

3 versions are listed, going back to v5.1.5. Since v5.2.3 it requires Android 9+.

v5.2.3 LATEST Apr 26, 2026 14.6 MB TRUSTED v5.1.6 Feb 12, 2026 8 MB TRUSTED v5.1.5 Dec 9, 2025 8.8 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Apr 26, 2026.
Certificate issued to “R&D” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Apr 26, 2026
Validated against Google Play Apr 26, 2026
Signed byCN=Kewell Huang, OU=R&D, O=R&D, L=GZ, ST=CHN, C=86
Signing certificate (SHA-1)12:2E:C4:1B:A5:75:A4:B9:01:47:FD:DD:BE:50:86:06:83:64:42:9E
File MD5f9f93a6e80473be057d32c710413da9d
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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (4)

O-Pens requests 4 permissions, 1 of them sensitive.

Camera Sensitive android.permission.CAMERA
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) com.v11.opens.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

O-Pens APK: questions and answers

Is there a version of O-Pens for older Android phones?

The current version needs Android 9 or later. Version 5.1.6 is the newest listed build that installs on Android 8.0 and later. Get version 5.1.6 · All versions

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 O-Pens 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 2 other versions checked. After downloading, check that the file's MD5 is f9f93a6e80473be057d32c710413da9d.