Some years ago when usability was a strange word in Brazil and we didn't
have the time or budget to perform traditional user testing, a colleague and
I run a series of usabilty tests in field for a dozen cellphone games,
spending one day for each game.
In the mornings, we went to public places
Regarding:
http://www.ixda.org/discuss.php?post=30937
In my company we have very good experiences using this method:
http://portal.acm.org/citation.cfm?id=1028050
The Instant Data Analysis (IDA) allows us to conduct a usability evaluation
with 5 users per day and have feedback to the developers
