Why is my cell not letting me get the app. WISH anymore?

I bought my Alcetel Raven LTE model A574BL, android version 7.1.1 a year ago this month ,and i ordered off app. WISH all the time, but now,when i go to play story to install the app. It reads my verion is not compatible , and i dont no why. Plz help me (i love that app.)

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