What is Stellar aiming for?

Micropayments: decrease the cost of smaller transfers. Offer incremental payment options to your customers.
Remittances: Send money to different countries quickly, for a fraction of a cent. Facilitate low-cost payments between different currencies.
Mobile Money: Make mobile money platforms interoperable. Let your customers send Mobile Money to recipients with different providers. e.g: Mobile transfer from THB -> XLM -> USD.
Social entreprises + NGO projects: Use low-cost financial services to bring about sustainable social change