Utilize the input text as a context reference, choose the right relationship between MIUI and Xiaomi from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Xiaomi has refined MIUI over the past year to create MIUI 7, which has a colourful interface with better performance, battery-saving optimisations and an even wider variety of personalisation options,” Xiaomi said in a statement.

Answer: developer