For sync issues you might want to try the ARC feature. But it requires a receiver /Theater-in-a-Box that supports ARC. Essentially when you connect the cable/sat box to the TV via HDMI (using only HDMI 1 input), you can loop that sound from that HDMI cable, back out to a ARC compatible receiver, via another HDMI cable. You'd use what ever input the ARC is on, on your receiver, to play sound from the cable/sat box. You can't use component out from the sat/cable box, and you can't use the optical out from the TV (that's for when the TV is using it's own tuner). It has to be all HDMI, in and back out, from the TV.
Or you could try occasionally disconnecting your HDMI and/or component cables now and then. I heard that helps. How I have no idea (is there a buffer on the video board?).
Any who, I got my apps going since I got so mad at Verizon they shipped me their top of the line Wireless router and did a complete rerouting of my DSL line. When I went to use a 3rd party router it bricked the firmware in my "always on" DSL modem. I was not happy, but they made me happy so they kept me as a customer.
Biggest disappointment with the apps was the Smart Share feature. Couldn't get my router to "multicast" and the software for it by Nero was rather clunky and essentially failed at two way transmission. However the "Media Link" app using the Plex Media Server, works excellent and only took minutes to set up. I couldn't be happier with it. Colbert, Daily Show, YouTube, CNN, etc etc (essentially many websites that play media but don't need memberships or logins) and my Itunes library all at my finger tips on my TV.
Android app for the cursor works well too. Not bad if you tweak the sensitivity. A good substitute till I spend the money for the Magic remote (if it's even worth it).
Netflix runs well. Buffers quickly (my rerouted DSL line helps with that). Still not getting the best rez, but I was expecting that with my measly DSL line. But good enough for standup comedy, and movies that aren't visually stunning. NetFlix itself has less choices than I remembered from years ago so that's been a bit disappointing. But there's a 1/2 dozen TV shows I've been meaning to watch and am going to from the 1st episode (Breaking Bad, Burn Notice etc etc).
YouTube app is a bit clunky, but if you use an account and save subscriptions and favorites while online (on a pc) it can make viewing easier.
A lot of the apps don't do a heck of a lot, or are geared towards a completely obscure demographic (Arabic TV?). But that seems the case with apps in general whether they be for a phone or TV.
But the TV did connect with the router flawlessly and gets a good solid stream. I hate networking too since I've only ever had a single PC. Something I haven't really avoided, but more something I just never had to do. I'm glad I did, because I remember the days of my friends complaining about DMZ, QOS, Port Forwarding and all that other jazz. I plugged the new Router/modem combo in from Verizon, used the passwords given for the TV and my phone and all is fine.
Hockey season is back (finally) and the set is the ballz for that.