Unfortunately, you cannot buy this on the App Store or Steam. The original 1997 version was lost to the "DoCoMo digital graveyard"—servers that shut down in 2005. However, dedicated fans have preserved it.
Game Dev Tycoon, released in 2013 by GameDev.net, but I believe you are referring to a similar game which peaked in popularity around 1997, I think you might be referring to a game similar to 'Game Dev Tycoon', likely 'Deus Ex' (not a pure game dev sim) or SimTower which had some business management similar. game dev story 1997
In the world of game development, there exist legendary tales of small studios and passionate individuals who dared to challenge the status quo. One such story is that of Game Dev Story 1997, a phenomenon that has become synonymous with indie game development, innovation, and the democratization of game creation. Unfortunately, you cannot buy this on the App Store or Steam