A documented early iPhone game
A March 2009 PDRoms entry describes Green Wars as an environmentally themed variation on a buy-low, sell-high game. The name also appears in Brigham Young University’s 2009 app-competition coverage. These records establish a historical game, not a current download or investment product.
Understand the model the game creates
A trading game presents a simplified system: a set of items, changing prices, and a goal defined by its rules. The interesting decisions come from learning those rules and choosing among limited options. Enjoyment does not require the model to reproduce an actual market.
When reading an old game description, separate the theme from the mechanics. An environmental label can change the objects and language without automatically changing the underlying trade-off the player faces.
Do not transfer scores into real claims
Success in a fictional economy does not demonstrate an investment strategy. Likewise, an item called green inside a game does not establish the environmental impact of the corresponding real product. Those questions require evidence outside the simulation.
A useful discussion of an educational game should explain what it actually models and what it leaves out. That makes its strengths and limits clearer than broad claims that playing will teach every part of a complicated subject.
Keep the archival record honest
The original package’s current availability and compatibility have not been verified. No old introductory price or promotion is presented as a live offer. If researching the game, retain the release period and source rather than attaching a similarly named modern title to the URL.
Green Wars is interesting as a small example of an early App Store developer adapting a familiar game structure to a different theme. This page does not claim personal playtesting or measured educational outcomes.