Where is the SmartMedia card slot on the PS-02? I'm wondering if you could use one of these adapters which let you use xD-Picture cards instead of SmartMedia cards.http://www.amazon.com/Memory-Smartmedia-Reader-Writer-Adapter/dp/B000L12F10
xD cards might be cheaper and more reliable, plus I think they're still available. The only problem might be the size of the adapter. It's a bit bigger than a standard SmartMedia card. But if the slot on the PS-02 is located in such a way that the adapter can stick out from the unit, it might work.
There are other xd-to-SmartMedia adapters available online too, so do a Google search and see what you can find. If there was an SD-to-SmartMedia adapter available, that would be even better because SD cards are cheap and easy to find. But I haven't seen such an adapter.