R on Mobile Devices (Android)

At the cost of sounding far-fetched and almost incredulous, I would
like to know if any R user is remotely considering the use of R on
Mobile devices, and Android in particular.

In addition to the other objections in the other replies, I add this 
one: the assignment operator and the parens are up on ALT keys on the 
Android keyboard.  Typing R expressions would be pretty painful.

You can demo this by installing an ssh client and logging in remotely to 
a machine with R on it, and trying to use it remotely.  A local one 
wouldn't be better...it might not even be faster, because the faster CPU 
on the machine running R might matter more than the speed of the network 
link between client and server.

I briefly thought of what it would take to port R to an iPhone or iPod 
touch, and the keyboard issues would be even worse.

Bottom line, R has the idiom of a real keyboard written into its bones. 
  To be popular, a statistical analysis tool for such devices would have 
to work differently, taking advantage of the platform's native input 
mechanisms.

mobile phone would allow for micro statistics to be collected from the
log files reflecting number of calls dropped, average time spent
talking, a time series of the amount of time taken for battery
recharge, and a host of other information that could be collated and
analyzed.

I agree with the other person that the program to write to cover this 
case would be just a stat gatherer, which somehow gets the data off the 
device for analysis by R running elsewhere.  It could be a web service, 
or you could write a CSV file that somehow gets downloaded from the 
device for use on the computer the phone syncs to.