These two files comprise a 16 channel sequencer for Sonic Pi 3, controlled by a TouchOSC screen template. To install the TouchOSC template, download the file index.xml then compress/zip it and rename the resulting file seqeuncer.touchosc
The resulting file can then be loaded into the TouchOSC editor (downloadable from hexler.net) and then uploaded to your tablet using the TouchOSC>app available from the App store. There are versions available for android as well.
The Sonic Pi program sequencer-RF.rb is too long to run from a Sonic Pi buffer on the Mac, and you should use the run_file command to exceute it. eg