Social Schedule is a free Android application that can be useful for scheduling posts on Facebook, Twitter, Gmail and SMS. Now you got every reason to do whatever you want regardless of getting worry about posting things on your social network accounts on time. You must be connected to the Internet at scheduled time.
With free version you can schedule only 5 posts per month and if you like you can buy pro version within the app to remove ads and to remove the limit of scheduling posts.
Requires Android 3.0 or up