Thank you for reaching out to the Samsung community! We would like to inform that the device already have Play store and galaxy app to download application in authorized way. As you are facing issue in third party app downloaded we suggest contacting same application develop support team.
Be sure to hit ♡ when you find an answer that works for you. For further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
