He will be headlining the event saturday with a presentation on why it 's important to teach children to be makers in order to stay competitive in the future .
The us actor appeared in two blockbusters over the past 12 months , headlining christopher nolan 's sci-fi thriller inception , and also taking the lead in martin scorsese 's mystery noir shutter island .
Headlining at the mobile phone industry 's annual gathering in barcelona , which opened its doors a day after hundreds of thousands of demonstrators rallied across spain in protest at national austerity , huawei presented its latest device to run on google 's android software .