The OG Helper iOS Tweaks Installer app located at www.oghelper.net is a scam and fake. The website tricks visitors into installing the fake OG Helper app, which tricks users into installing malicious or unwanted apps, especially VPN apps, that may steal their account credentials, financial and personal information.
About OG Helper Website

All the downloading and installation progress displayed by the OG Helper app or website is a fake. The so called Tweak Installer app is not doing what it is suppose to do, all it is doing is tricking visitors into downloading malicious apps, by claiming they need them in order for the OG Helper app to work.
The cybercriminals behind the fake app and website (oghelper.net), also use another fake website call itweak.vip.
If you have installed the OG Helper app, please remove it and all the apps you were asked to download by it. Also, change all your account passwords.