Elevator Pitch Descriptions: What would be effective Elevator Pitch in 1min about mobile apps?

Elevator Pitch Descriptions: What would be effective Elevator Pitch in 1min about mobile apps?

I don't have any idea writing effective elevator pitch in 1min description.
How would I pitch about core functions and Business model?

If I'd like to tell more detail about core functions and business model,1min is very very short and I think that I can't explain about my apps