1) IF YOU ARE GIVEN A LARGE DATA FROM CUSTOMERS (RFP) HOW DO YOU SELECT THE DATA AND TRANSFORM THEM INTO REQUIREMENTS?
2) DURING DEVELOPMENT OF MOBILE APP HOW DO YOU DESIGN THE ARCHITECTURE OF THE PLATFORM?
Not sure there's enough information here to give a meaningful response.
1) What data were you given? If it's a Request For Proposal (RFP), and it's a decently written one, then it should be a sufficent start to start pulling out high level information.
2) Design based on the requirements. The requirements should at least inform the architecture even if they don't directly state what it should be.
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