In order to open a company you need to understand where this product will be in demand. To incorporate company a company in the countries you are interested in, you can use this site. https://osome.com/sg/incorporation/ Registering a new business in Singapore with the information they write there can take very little time and money. It is important to understand that for foreigners it will be more expensive, but it does not even need to come to Singapore, because everything can be done online😀