I know it requires Android 4.0 or better. Not sure what the Note 2 has, but my Motorola Electrify won't run it because of that. Also, there may be a dependency on processors of some sort.
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I am facing the same problems. I have a 4.1 Android phone with 1GB Ram, but only 4.3 inches screen, so I can not install the app either.
It would be good to have the *.apk file of the app.
Yes, I know it can be installed on the phone, but on Goole Play store there is a **** check, that do not allow me to download and install this app to my phone.
So how can we circumvent this and get it on a phone? I finally upgraded from the dark ages and got a Galaxy S4, and was disappointed to learn I could not install the viewer.
Unless the guys at Apple are paying Siemens to keep it off all other platforms the only way I know is just to lobby the Siemens team to port it to Android and screens of less than 18cm. The Galaxy Note 2 is a superb device and with 64gigs of memory far better than any iOS platform.