Its a well maintained open/green space in between houses its got a few oldish trees in the middle where you might see people reading a book having a picnic etc and you see people walking though it walking there dogs.
By the look of the images, it have a very low chance of getting accepted, if you do a better title, desc and supporting info it can get a small little bump but overall it just looks like a little green field with nothing
Its possible. The main problem is that you need a placemarker. The no balls sign could work. You will need lots of supporting photos showing this is actually a park and not just a bit of lawn. Parks & Outdoor Recreation
Likely to require the appeal process to be acceptable. I hope the example below helps. I think it is a larger parcel of land than yours, but the same principles apply if you can demonstrate it has exercise / social value. The no ball games sign could work as a placemarker to get the nomination past ML, but be aware that as it’s identifying what you can’t do rather than what you can do and that may discourage reviewers from supporting the nomination: