Sony has finally added support for all Android devices running Android 5.0 and above for its PS4 Remote Play app. The functionality was this far exclusive to Xperia devices before being expanded to support iOS back in March. The Remote Play app essentially allows you to use you to mirror your PS4 on a phone or tablet over Wi-Fi. In order to get the feature up and working, you have to update your PS4's firmware to version 7.00 and set up the Remote Play app on your device of choice (Android 5.0 and up). Then the console and phone/tablet will link over Wi-Fi allowing portable gaming...
Source: https://www.gsmarena.com/sony_ps4_remote_play_now_open_to_all_android_devices-news-39515.php