Effective date: 6 September 2026

Number Cross is a number crossword puzzle game for Android, published by Aykhan Valiyev (“we”, “us”). This policy explains what information the game handles, why, and what choices you have.

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Short version: No accounts, no ads, no sign‑in. Progress stays on your device. Only anonymous usage statistics and crash reports leave your device via Google Firebase.

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1. Information stored on your device

The game saves your progress locally so you can pick up where you left off:

• Which puzzles you have solved and your best times
• The board you are currently working on
• Your daily puzzle streak
• Whether you have seen the tutorial and the review prompt

This data is stored in the app’s private storage (other apps can’t read it).

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If Android Backup is enabled on your device, Google may include this data in your device backup so that it is restored on a new phone. That backup is governed by Google’s privacy policy and your Google account settings, not by us.

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Uninstalling the game deletes this data from your device.

2. Information sent to us

We use two Google Firebase services (provided by Google LLC):

Firebase Analytics

We record four gameplay events:

• Puzzle started
• Puzzle won
• Puzzle abandoned