Silence said: certainly. so my brother can use his various games without risking the actual cartridge. Since he has backed up all of his games to my dad's laptop, he can play most of his different games in an unchanged way without having to bring so many cartridges. Especially when we go on holidays.
If i remember correctly, i think that my friend had one, but no save game data was kept.
he wants to use it as an alternative for his GBA pokemon games, but can still migrate to Diamond/Pearl.