EST Android 1.3.0 (185)

Android preview of EST 1.3.0 (build 185), based on iOS commit 9bd12a9.

Download EST-1.3.0-185.apk below and install it on Android 8.0 or newer. This updates earlier EST Android builds without clearing local data.

• Refreshed Solo / Together home, toolbar and demo cards.
• Solo 81 and Quick 27 with number, color, shape or fill held constant.
• Daily Deal with the same UTC-day shuffle as iOS, today's best and daily streak; preserves your saved solo run.
• Two-step hints, run insights, fastest-set / streak statistics and adaptive training.
• Responsive boards, original card geometry, colors, sounds and icon; same-device duels, tutorial and mathematics explorer.

Validation: 19 unit tests pass, including direct comparison with the Swift daily shuffle. Release build and Android lint pass. Version name 1.3.0; version code 185.

This is an offline Android preview. Separate-device multiplayer, online rankings and purchases are unavailable. Android font, glyph and glass rendering differs from iOS; pixel-level visual parity has not been certified.

The APK is a non-debuggable release build signed with the existing development certificate for compatibility with earlier device installs. It is not a Play Store production-signed release. No keystore or signing secrets are included. SHA256SUMS.txt contains the APK checksum.