Memo Game (Privacy Friendly)

SECUSO - Security Usability Society | Educational Game

12 Downloads 24 Views v1.1 8.24 MB 4.1+

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(8.24 MB)

Editor's Overview

Memo Game (Privacy Friendly) is a educational game application developed by SECUSO - Security Usability Society, packaged as a single Android APK of version 1.1 weighing in at 8.24 MB. The package targets Android 4.1+ and above. Below you'll find the publisher's own description, a quick spec sheet, and a short buyer-beware checklist so you know exactly what you're installing before tapping download.

Install Checklist

Only download through the button on this page — never from third-party mirrors or shortened links, which are the most common way malware spreads.
File size is a light 8.24 MB, so it installs quickly even on modest connections.
This build is signed by "SECUSO - Security Usability Society" — always verify the developer name matches what's listed on the app's official store page before installing an update.
After install, Android may prompt you to allow "Install from unknown sources" — approve only this one install, then revoke the permission in Settings > Apps > Special access.
We link directly to the APK file or the publisher's repository; we do not modify the binary. Always run a virus scan after any sideloaded install.

About this app

Privacy Friendly Memo Game is a card game. The goal is to find the same cards in one turn. It belongs to the Privacy Friendly Apps group developed by the research group SECUSO at Karlsruhe Institute of Technology. More information can be found an secuso.org/pfa

The application provides two predefined card decks, as well as the option to select own images from your device.
In addition to a single player mode, it is also possible to play in a dual player mode.

Privacy Friendly Memo Game has three difficulty level:
1. a game field with 4x4 cards (overall 16 cards)
2. a game field with 6x6 cards (overall 36 cards)
3. a game field with 8x8 cards (overall 64 cards)

What makes Privacy Friendly Memo Game different from other similar apps?

1. No permissions
Privacy Friendly Memo Game does not require any permissions. The selection of images is done by a task to the gallery so the app does not have any access to the device's storage without the user's control and interaction.

For comparison: The Top Ten of similar apps from the Google Play Store requires an average of 3,9 permissions (in September 2016). These are for instance the access to the network.

2. No advertisement
Many other free apps in the Google Play Store dazzle annoying advertising and also shortens battery life.

Feel free to contact us via:
Bluesky - @secusoresearch.bsky.social https://bsky.app/profile/secusoresearch.bsky.social
Mastodon - @SECUSO_Research@bawü.social https://xn--baw-joa.social/@SECUSO_Research/
Job opening - https://secuso.aifb.kit.edu/english/Job_Offers.php

Details

Version	v1.1
Size	8.24 MB
Developer	SECUSO - Security Usability Society
Category	Educational Game
Package	org.secuso.privacyfriendlymemory
Android	4.1+
Last Updated	Oct 31, 2026
Downloads	12

Frequently Asked Questions

Is Memo Game (Privacy Friendly) free to download?
Yes. The APK file linked from this page is free. The developer may offer in-app purchases once installed, but obtaining the installer itself costs nothing.

What Android version does Memo Game (Privacy Friendly) require?
Android 4.1+ or newer. Installing on older devices may cause crashes or refuse to install.

Is Memo Game (Privacy Friendly) safe to install?
We link to the exact APK published by SECUSO - Security Usability Society. We do not modify the file. Still, as with any sideloaded app, scan it with a reputable antivirus before opening it, and only grant permissions the app genuinely needs.

How do I update Memo Game (Privacy Friendly)?
Install the newer version on top of the old one — Android will keep your data. If the signature differs, uninstall first (you may lose local progress).

Why is the app not installing?
Common causes: not enough storage, an older Android version than 4.1+, or a conflicting build already installed. Free up space, check your OS version, and uninstall any previous copy before retrying.

How to Download & Install Memo Game (Privacy Friendly)

Tap the Download APK button above and save the file to your device.
Open your device Settings → Security (or Apps → Special access → Install unknown apps) and allow your file manager or browser to install unknown apps for this one file only.
Open the downloaded org.secuso.privacyfriendlymemory.apk file from your Downloads folder.
Tap Install and wait for Android to finish.
Open «Memo Game (Privacy Friendly)» by SECUSO - Security Usability Society and grant only the permissions it actually needs.
Revoke the "unknown sources" permission once you are done installing.

Note: this page hosts or links to the installer only. The application name, icon and description are provided for identification. All trademarks belong to their respective owners.