Yes. We currently have a select number of day and date titles available in the Marvel Comics app for Android library. In near future, we will be adding more titles that will be released on the same day as their print versions. Please go to marvel.com for updates.
No, the Marvel Comics app for Android does NOT currently support this functionality.
Yes. Purchases made on the Marvel Comics on iOS while signed in using your Marvel.com account will be available via Marvel Comics for Android if it is a part of that applications library.
You can download the app at http://marvel.com/mobile or go to the Android Market at https://market.android.com/.
You can read your purchased digital comics on Marvel Comics on Chrome, the Marvel Comics app for Apple iOS devices, and the Marvel Comics app for Android devices, if the comic is part of each app's specific digital comics library.
The Marvel Comics App library for Android currently has over 3,000 issues with more comics added each week. Please check marvel.com for updates on what new titles have been added!