Fans celebrate USA v Germany World Cup clash

The video features a series of chants expressing enthusiasm for the USA, followed by a brief mention of having a great time in Latin America. It concludes with questions about what people are doing, suggesting a focus on current activities.

What do you think the speaker is trying to convey with the question 'What are you guys doing?'?

In what ways do you think the phrase 'What are you doing?' differs from the previous question?