Useful Apps

Onkyo Corporation · com.opi.onkyo.recommend

Not rated yet 50K+ downloads v3.3.4 6.2 MB Android 5.1+ PEGI 3 · Everyone

Download APK 6.2 MB All versions

Signed with Android's public test key Details

At a glance

Latest version: v3.3.4 (38)
Updated: Nov 22, 2021 (4 years ago)
APK size: 6.2 MB
Requires: Android 5.1+ (API 22)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Tools (app)
Permissions: 11 (2 sensitive)
Website: onkyo.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Useful Apps is an app by Onkyo Corporation in the Tools category. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 11 permissions, 2 of them sensitive: precise location and approximate location.

What's new in v3.3.4

Minor bug fixes

Description

From the listing uploaded by “shareitall”.

Supported on ONKYO and Pioneer Digital audio players running Android OS - "Useful Apps" allows quick access to ONKYO & Pioneer developed apps, and Music streaming service apps available in your region from GooglePlay. *Select Your Region from "Setting", tap on the listed icons, and be redirected to the app’s download page on GooglePlay. *Downloading over cellular communications may result in additional data plan fees.

Security & authenticity

Security rating: Unknown

Signing certificate

Signed with Android's public test key This key is published with Android's source code, so anyone can sign a file with it.
The same certificate signs apps from 141 different developers Developers sign only their own apps, so this almost always means the files were re-signed by someone else — often after being modified.

Store checks and file details

Developer signature not checked yet Jun 14, 2026
Signed by[email protected], CN=Android, OU=Android, O=Android, L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)61:ED:37:7E:85:D3:86:A8:DF:EE:6B:86:4B:D8:5B:0B:FA:A5:AF:81
File MD56e64519044fd84afcf258ad357772767
Uploaded by “shareitall” Bronze tier · 909 followers · uploading since 2018

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

Permissions (11)

Useful Apps requests 11 permissions, 2 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Change wifi state android.permission.CHANGE_WIFI_STATE
Full network access android.permission.INTERNET
Physical activity recognition com.google.android.gms.permission.ACTIVITY_RECOGNITION
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) com.opi.onkyo.recommend.permission.C2D_MESSAGE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Location android.hardware.location
Wi-Fi android.hardware.wifi

Useful Apps APK: questions and answers

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

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is the Useful Apps APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Unknown. It is signed with Android's public test key, which anyone can use. Its signing certificate is also used for apps from 141 different developers. After downloading, check that the file's MD5 is 6e64519044fd84afcf258ad357772767.