If your goal is to "sign" an APK file, you likely need a utility tool rather than the language game. These apps allow you to sign APK files with various schemes (like v2) directly on your device.
If you are looking for the educational game, is a word puzzle designed to help students improve Spanish sentence structure and word order. Download Frase Master sign apk
: For an open-source alternative, you can find projects on GitHub that offer similar functionality. Document Signers Learn Spanish - Frase Master P - Apps on Google Play If your goal is to "sign" an APK