BridgeScorer is an app for scoring whilst playing the Duplicate Bridge card game.
It can score either at-the-table, or after the event.

BridgeScorer normally scores at-the-table. Each table enters scores as the boards are played.
Only one instance of the app is required, but you'll need (at least) a phone for every table.
If preferred, each pair can have their own phone (which they take with them as they move round the tables), and submit scores when they're sitting north-south.

The phones communicate over WiFi.
Only the phone running the app needs to be an Android device (phone or tablet), the others can be any feature phone or tablet with a Web-browser, even an iPhone.

BridgeScorer can also score a complete duplicate bridge session (from the travellers).

Rubber and Chicago bridge can also be scored.

BridgeScorer produces results as web-pages which can be easily uploaded or distributed by e-mail.

No computer (Windows, Mac or any other) is required.

On-line help is available here:
http://bridgescorer.rf.gd/

BridgeScorer is a free download with no adverts.

BridgeScorer permissions.
BridgeScorer app requires some Android permissions, which are explained below.

Wi-Fi connection information
BridgeScorer runs as a web service on the local Wifi.

Full network access.
BridgeScorer runs as a web service and needs this privilege to function.
It doesn't initiate any connections to other servers.
Clients use their web-browsers to connect to BridgeScorer, the client initiates the connection.

Wakelock.
When running BridgeScorer "at-the-table" with connected client devices, BridgeScorerService needs to keep running even if the phone is asleep to respond to requests from those clients.
A "PARTIAL_WAKE_LOCK" is used to achieve this. The screen will turn off, but BridgeScorerService will keep running.