Problems installing Gameloft apk games

Hi, a couple of days ago I found out my phone wouldnt install any gameloft apks and I dont know why. Although it installs any other apk it wont install any from gameloft. I have unknown sources enabled and I am running a custom ROM in my nexus 5. I wonder if anyone has encounter any similar problems and if so, how did you fix it? Thanks in advance

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