Considering the low quality of the image, it could not have been captured directly from a phone. Picture was either taken on a phone then imported or directly captured onto a PC/Mac. Image was then changed, resized and recoded.
As she probably didn't use her phone the only way to prove authenticity is for suchmoon to take another picture using her phone and enable GPS. This coupled with Metadata will confirm authenticity. She'll also need to confirm her phones make/model no. for an image size and dimensions check
LOL at your "friend" the forensics expert. My screenshot was pasted to snag.gy, it's a habit, I do that with every pic I post here. Among other things it converts to JPEG and strips EXIF metadata - but see below.
Your asinine suggestion that I should dox myself to disprove something you made up is beyond ridiculous. Don't forget that Garza's infamous "data center" was identified via EXIF. Give me some credit, I'm not dumb enough to post my home address on Bitcointalk.
But here is the best part - Android screenshot PNG doesn't have GPS data anyway (neither does iOS AFAIK). There goes another one of your harebrained ideas... I'm sorry, your "friend's" idea.
Keep going, this is getting surprisingly amusing

Actually when compared to the forensic skills of pixelpowered my friend is a Genius
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Reality is you now have some very clever people looking at ION meaning if your smear campaign is going to continue your going to have to up your game