Amazon has put up a listing for the Final Fantasy VII Polygon Figures, revealing a release date. According to the product page, the figurines will be coming out on Sept. 1, 2020, in the U.S. region. If you are interested, you can pre-order with the following link:
You can also check out an image of the figures located just below this paragraph (a few more images can be found in the aforementioned listing).
As you can see above, the figurines are based on the character models from the original Final Fantasy VII, which was first released for the PS1.