You may be required to take a Fit to Fly test before flying to Singapore, if you are un-vaccinated you will need to take either a PCR test or a Supervised LFT Test which can both be found above.
Yes, this page is only lists products suitable for travel to Singapore.
Please check the following link: https://safetravel.ica.gov.sg/arriving/overview.
It is a LFT test that you will take while on a video call with one of our specialists. They will help guide you through the testing process.