C++ compilers for handheld devices are available, although they may not be widely known or used. While extensive coding on mobile phones is generally impractical, options exist for compiling programs on the go. Users can utilize remote desktop applications to access computers with installed compilers, allowing for coding and compilation from mobile devices. Various mobile operating systems support remote login protocols, making it feasible to work on C++ projects remotely. For specific compiler options, users can search for compilers compatible with their device's OS, such as Symbian.