The Android App 'Squore - Squash Ref Tool' assist you in keeping the score while you are referee-ing a squash match. (The name is simply the first 3 letters of 'squash' followed by the last three letters of 'score': Squ-ore).

It simplifies

• Keeping score
• Keeping track of what side a player must serve

During squash tournaments it can support the organisers by:

• Live Score: have updated results available on a webpage
• ChromeCast the score on to a TV
• Select matches from web feeds (e.g. feeds containing matches from a tournament on Tournamentsoftware )

Besides that it has several functions that might be to your liking. For example

• Use timers
• Present dialogs with official announcements to be made
• Record calls (No Let, Let, Stroke, Conduct Warning, Conduct Stroke)
• Customize colors e.g. to match your club colors
• Show scoring history in a graph
• Sharing the result (Link with entire score sheet, Message with summary, Email, or post to a website)
• Stores the entire scoring history for later referencing
• Select matches from custom web feeds (e.g. containing matches to be played at your club)
• Post match result to a website
• Show a web page with the official WSF squash rules

Other 'less commonly used' features are:

• Transfer in-progress match to another device
• Use handicap scoring

It can be installed from the google play store

Extensive help on supported features can be found here

The source is also used as source for the 'Badminton', 'Tabletennis', 'Tennis/Padel' and 'Racketlon' apps with the same look and feel.

These logically can also be installed from the play store

• badminton
• tabletennis
• Tennis/Padel
• Racketlon

and have their own help pages

• Badminton
• Tabletennis
• Tennis/Padel
• Racketlon