F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
GRUB - Multiboot boot loader
Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.
EasyUEFI - Manage EFI/UEFI Boot Options & Manage EFI System Partitions & Fix EFI/UEFI Boot Issues
1Mobile Market - 1Mobile Market is one of the newest apps and games places where the exclusive download of games and apps is accessible.
EasyBCD - EasyBCD is NeoSmart Technologies multiple award-winning answer to tweaking Windows bootloader.