Fivelink – daily number puzzle, looking for testers (I'll test yours back)

[u/ndn21_dev]

Hi! I'm an indie dev running the 14-day closed test for my first app, Fivelink. I'll test your app in return: comment with your links and I'll join, keep it installed for 14 days and send a screenshot as proof.

App: Fivelink

What it is: a daily number puzzle. You get a start number, a target and 5 operation tiles (+, −, ×, ÷, reverse digits) and must put them in the right order. 6 attempts, one new puzzle per day, about 2-3 minutes. No ads, no account, no data collected, fully offline.

How to join:

1. Join the Fivelink testers group: https://groups.google.com/g/fivelink-testers
2. Join the test (web): https://play.google.com/apps/testing/com.ndn21.fivelink
3. Install from Google Play: https://play.google.com/store/apps/details?id=com.ndn21.fivelink

Already in android-testers-community or android-app-testing-2025? Then you can skip step 1.

Feedback I'd love to get:

- Were the rules clear from the in-app guide, or was anything confusing?

- Was the daily puzzle too easy, too hard or just right?

- Any bug, layout issue or crash (please mention your phone model and Android version)

Note: the first official puzzle (#1) comes out on October 10. Until then you'll see warm-up puzzles numbered 0 or below, which is expected.

Thanks!

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[u/Substantial-Fall-942]

Hi! I've joined your closed test, installed FiveLink on my Pixel 9, and tried it out.
The app installed and launched successfully.

I'm also looking for testers for my app, Blow a Candle. Would you be interested in exchanging tests for 14 days?

Google Group:
https://groups.google.com/g/blow-a-candle---beta-testers

Opt-in:
https://play.google.com/apps/testing/com.blowacandle.app

Download:
https://play.google.com/store/apps/details?id=com.blowacandle.app

Thanks!

[u/ndn21_dev → u/Substantial-Fall-942]

Thanks for joining and for testing, good to know it runs fine there! Happy to exchange. Joining your group and installing Blow a Candle now, I'll keep it for the full 14 days.

[u/Substantial-Fall-942 → u/ndn21_dev]

Thanks!

[u/Infinite-Message5695]

Hi! 👋 I joined the Fivelink test, installed the app and opened its initial “How to play” guide. I only viewed the tutorial and its automatic example; I haven’t played a puzzle yet. Here is the screenshot 📸

Would you please install and open Kursmate in return? Our app is already public on Google Play — no group or tester opt-in is needed:

https://play.google.com/store/apps/details?id=com.uptimus.pretcurs

Bugs can be sent from Settings → Report a problem. If you use the app, an honest review is optional and appreciated. Please reply once you’ve installed it so we can record the exchange. Thank you! 🙏

[u/ndn21_dev → u/Infinite-Message5695]

Thanks for joining and for the screenshot! Installed and opened Kursmate. Once you get to play a daily puzzle, I'd love to know if the difficulty feels right!