I just received the information, that Singapore (9V) now offers reciprocal licences. Peter, 9V1PC sent the following email:
The Singapore Amateur Radio Transmitting Society (SARTS) are pleased to advise that the Singapore licensing authority, the Infocommunications Development Agency (iDA), have recently announced that temporary Amateur licences are now available to radio hams visiting Singapore.
Tha application should be made 3 weeks before arrival in Singapore and the license is typically valid for a 3 months period using the callsign 9V1/Homecall. A fee of 50 Singapore Dollars will apply. The application process and forms are posted on the iDA website.
A very good news de 9W2AAM