Third N910T replacement; something stealing app focus

I'm about to receive my third warranty replacement for the numerous problems I had with my Note4. Most of the problems are fixable (camera, GPS, etc), but one problem is bad and I don't see a simple solution.

Something seems to be intermittently stealing the focus from my app (I believe). So, if I'm watching YouTube, it randomly pauses because it thinks I've switched apps. If I'm recording video, it randomly stops, because it thinks I've switched apps. If I'm playing a video game, it pauses while I'm playing until 'I return'. If I go to the app-switcher, sometimes it closes randomly before I select which running app to switch to.

I actually bought a new SD card (64GB wasn't really doing it for me, anymore, anyways) but the problem persists. The phone does seem better behaved before all my apps repopulate (although there's not much to do on the phone before the apps are back), so I suspect it's an app, but I haven't heard anything about this sort of problem on any website or forum.

Lastly, the problem may have started around the time of the StageFright patch in August, but a lot of apps also updated around that time.

I'm stock without root (maybe in the future), although I always disable T-Mobile bloatware like DT_Ignite. Any help or suggestions are appreciated. Thanks in advance.

Third Party Remotes

I'm personally not a fan of the stock remote. It's a lot of money for not a lot of buttons. What else have people tried? I've heard of success connecting the Amazon Fire TV Stick remote to the Shield. Has anybody tried the Nexus Player remote or the Roku 3 remote?
I'm currently using the stock game controller and a DualShock 4 controller.

How to hook a method from third party jar?

Hello:
It seems to be an obvious question, but I can't find the answer through google.
I am developing a app using unity3d, the package name is "com.unityproject.coolapp", but I need to use some third party plugin to fullfill some function, say, the package name of the third party plugin(a jar) is com.thirdparty, and the method I want to use is in com.thirdparty.internet.view package, and class name is MagicView, the method name is openAView(String url), something like that.
I successfully inspected the com.unityproject.coolapp, when it's lunching. but I never catch "com.thirdparty" fire. and I try to hook openAView method, I see the log shows no such function err.
here is my code:
if(lpparam.packageName.equals("com.unityproject.co olapp")){
XposedBridge.log("!!!!!!!cool app loaded!!!!!!!");
findAndHookMethod("com.thirdparty.internet.view", lpparam.classLoader, "openAView", String.class, new XC_MethodHook() {
@override
protected void afterHookedMethod(MethodHookParam param) throws Throwable {
XposedBridge.log("!!!!!!!open a view hooked!!!!!!!");
}
});
}
I am new to xposed, some help please? Thank you very much.

Third party watch bands?

Does anyone know if we can purchase third party bands for the Moto 360 2015 yet? My Pebble Steele band that I used on my original 360 doesn't seem to fit this new one. The pins seems too long. Thanks