Note: Singapore ICA have only 1 type of tourist visa and there is NO such visa as Express Visa or Single Lady Visa . Please check ICA link as below for more information.
TRANSIT VISA
https://www.ica.gov.sg/enter-transit-depart/entering-singapore/visa-free-transit-facility
Nationals of the Commonwealth of Independent States (CIS), Georgia, Turkmenistan and Ukraine passports may qualify for the 96-hour free transit facility if they hold air tickets to a 3rd onward country. Please also check with your airline at each point of embarkation if they allow guests to board flights based on the above rule. Assessment for entry is determined by the Immigration & Checkpoints Authority (ICA) officers at the point of entry. Otherwise, a visa will be required.
VISA Application
https://www.ica.gov.sg/enter-transit-depart/entering-singapore/visa_requirements

Travellers carrying over S$20,000 in or out of Singapore must make declarations online from May 13

SINGAPORE: All travellers entering or leaving Singapore with more than S$20,000 (US$14,700) in cash must declare them online from May 13.
HOW TO SUBMIT AN ELECTRONIC DECLARATION
The new online declaration form will be on the Immigration and Checkpoints Authority’s (ICA) website or the MyICA application from May 10.
Travellers will be required to provide their particulars, the country or region the money is being moved from or being moved to, as well as their reasons for moving it.
They will also have to include the types and amount of cash and bearable negotiable instruments and, where relevant, the sources and recipients of them.
Travellers arriving in Singapore can select “submit cash declaration” after filling up the Singapore Arrival Card online.
Once the declaration is submitted successfully, travellers will receive an acknowledgement email which can be provided as proof to ICA officers when required at checkpoints.
Travellers can make their submissions up to three days before their arrival or departure from Singapore. They must complete their declaration before reaching Singapore’s checkpoints.
Anyone who makes a mistake in their declaration must void it and submit a new one online. If their travel plans have changed, they should also void the declaration.