to_string is not member of std - only while building on android

cocos2d-x C++
4

you can use some thing similar to the bellow code.This method convert int to string
std::string GameLab::NumberToString(int pNumber)
{
std:: ostringstream oOStrStream;
oOStrStream.clear();
oOStrStream << pNumber;
return oOStrStream.str();
}