Nokia created new market for Android apps, it's called Nokia X
So you can create account and submit your apps there too
1st Nokia Android phones will be low end for low price. It means 800x480 4'inch screen, dua core Snapdragon CPU with 512 MB Ram for basic model (better one will have 768 MB Ram)
According to Engadget "The X family uses a forked version of Android 4.1.2 that uses the standard AOSP but doesn't have access to Google's suite of services (such as the official Play Store, Gmail or other core apps)"