For anyone interested in trying Lemur as a remote for Sonar.
All I have done is adapt the original free Lemackie2 ipad template from the Lemar library to use on a smartphone (Galaxy s5, but you can easily resize it to suit) with just the functions that are useful for tracking. Whoever designed the original template has done all of the hard work. The larger template is pretty much the same as the Lemur library template, but resized for the Samsung Galaxy TabS 10.5 with some non-functioning buttons removed and bit easier to read. A couple of screenshots
Phone: (thanks to auto resizing that is one huge phone:)

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Tablet

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The only issue I found with the large template is that the 'view' buttons will only access the parameters of the first module in the prochannel on any given track.
Excellent instructions for setting Lemur up are in the Sonar Lemackie 2 Manual from the original templates.
I have put the templates and files on dropbox for anyone who wants them.
https://www.dropbox.com/sh/srjf36g8is5y87f/AAAjc7VW8-ZHWaQFmRche8OKa?dl=0 Cheers:)