You can use bluetooth keyboard and mouse to control the app for example on televisions or screens with Android TV Boxes. Here is the list of keys you can use to control some of the functions:
General Controls
Key Description r
Run / Stop m
Switch Mode (Oscilloscope / Automotive / Voltmeter) q
Increase Sampling Rate a
Decrease Sampling Rate
Graph Controls
Key Description (arrow up) Zoom In Y axis (arrow down) Zoom Out Y axis (arrow left) Zoom In X axis (arrow right) Zoom Out X axis (space) Show/Hide Controls Menu f
Fit Waveforms to Screen (Y axis)
Channel 1
Key Description 1
Enable/Disable Channel 1 7
Switch Input Voltage 8
Switch Input Probe 5
Enable/Disable Auto Voltage Selection z
Switch AC/DC/OFF Input Coupling x
Show/ Hide Samples c
Show/Hide Stats i
Move Channel 1 Up k
Move Channel 1 Down
Channel 2
Key Description 2
Enable/Disable Channel 2 9
Switch Input Voltage 0
Switch Input Probe 6
Enable/Disable Auto Voltage Selection v
Switch AC/DC/OFF Input Coupling b
Show/ Hide Samples n
Show/Hide Stats o
Move Channel 2 Up l
Move Channel 2 Down
Trigger
Key Description t
Switch Trigger Channel s
Switch Trigger Slope g
Switch Trigger Mode (Auto, Normal, Single) y
Trigger Level Up h
Trigger Level Down