> Looks like it was inspired by the TraceTogether app built by the Singapore Government and recently Opensourced.

Not really. This is based on the TCN approaches by Covid-Watch, Co-Epi and DP-3T (submission to PEPP-PT). TraceTogether fundamentally functions very differently.

Link to the TCN Coalition: https://tcn-coalition.org/

I am one of the developers working on Co-Epi, and am very happy to see that Apple and Google are improving their APIs to support our work.