ganon padin po, salamat sa tulongDelete One Apk that Relative to the app want you to install.
Backup first before deleting apps.
But i think. The problem is Darkvpn. Backup darkvpn using Apk—Backup_Restore app. After that. Uninstall Darkvpn. And install xp psiphon, if successful installation. Try to install again the Darkvpn. .
yun na nga po hinanap ko kung anong app ang kapareho nito, yun nalang sa screenshoot ko ang natira pang freenet kobaka may kahawig sa app mo