Rcherz Scoring Google Play screenshot 1.

Rcherz Scoring

Dedicated Android competition terminal designed for reliable scoring in demanding event conditions.
Rcherz Scoring on Google Play
Rcherz website
Client
Bowbook / Rcherz
Role
Android developer — scoring architecture, device operations, synchronization, resilience, and releases
Engagement
2014 – Present
JavaJava 17Android SDKREST APIsFirebase Cloud MessagingAmazon Device MessagingQR scanningForeground services

I separated operational competition scoring from the larger community application so event devices could run a smaller, stability-focused product. Organizers load competitions and archers, assign targets, scan codes, enter arrows and totals, and synchronize results with the Rcherz platform.

The app combines push delivery with polling and command identifiers to avoid duplicate execution. Remote commands can load users, start or stop sessions, clear or reassign devices, and update scoring state. A foreground synchronization service, boot receiver, wake and keyguard behavior, Wi-Fi awareness, pending-message handling, and offline recovery support long-running outdoor events.

Firebase Cloud Messaging and Amazon Device Messaging support different device fleets, while QR scanning and PIN validation simplify setup. The public Google Play listing remains active with 5K+ downloads as verified in 2026.

Highlights

Mission-critical scoring isolated from the broader social and competition product.
Push-plus-poll command delivery with duplicate-command protection and pending-message recovery.
Remote device loading, session control, target assignment, clearing, and operational safeguards.
Foreground synchronization, boot recovery, QR setup, Google/Amazon messaging, and offline-aware operation.
Screens cover device setup, archer loading, target assignment, scoring, and synchronization.

Screens & Demos

Rcherz Scoring Google Play screenshot 3.
Rcherz Scoring Google Play screenshot 1.
Rcherz Scoring Google Play screenshot 2.
Rcherz Scoring Google Play screenshot 4.
Rcherz Scoring Google Play screenshot 5.
Rcherz Scoring Google Play screenshot 6.
Rcherz Scoring Google Play screenshot 7.
Rcherz Scoring Google Play screenshot 8.