To run Sim City on a normal TI92, you need FargoII to be installed. Transfer "Sim_f2.92p" to your calculator.
Libarys for Fargo2 are Flib and Gray4lib

To run Sim City on a TI92plus, you need Plusshell or Doors to be installed.
Transfer the file "Sim_pl.9xz" to your calc.
Libarys for TI92plus are Util and Gray4lib

A special Doors Version maybe will release later.