Yes, a few games need page 0 selectable - Space Gun (Sega mapper) and Excellent Dizzy Collection (Codemasters mapper), I'm not familiar with any others.
Hi Tomy, I borrowed this SMS-Pro from Omar at SMS Power!, he bought it a few years ago, but did not use it recently and does not remember using its SRAM capability.
I am using SRAM to refer to the on-cartridge RAM used for saving games or (in some games) extra RAM. The SMS-Pro supports it when enabled using the "Saver" option in the DreamWriter software ...