Development is very important for every cryptocurrency project. It is necessary that the team will follow the roadmap and improve the project.
Not all team of cryptocurrency projects continue to develop their projects after the end of IEO. To survive in the market conditions it is necessary to continue developing after the end of IEO.
I think it should be default that a project will continue its development even after the IEO ended. Just because they already got the money, means they are free to run away? I don't think so. So it is really their responsibility to cater their clients and investors as much effort as they can. After all, they were trusted with money.
Also, what other Asian countries are they going to implement their business aside from Japan?