A:AnswerGreat machine! You can turn the backlight off-no dimming. There is a timer countdown to off. Check manual on internet. I love this product and great sound.
A:AnswerClick on the Google Play Store app on the device. Then you can browse Apps for download. Just need a Google email account to download app and/or purchases.
A:AnswerI haven't tried, but since this product is basically an android tablet with large speakers built-in, it seems it would be possible by this method: https://www.wikihow.tech/Control-One-Android-Device-with-Another