The simple answer to this is yes.
Its easy to save something you like so that you can view it later:
When you see a post that you like, click to open it
On the right hand side of the post there is a button called 'Save to Wallet'. Click it.
This should now have changed to 'Saved to Wallet'.
To view what you have saved:
Click the drop down menu at the top right of your screen
Click 'My Wallet' (This should show a number next to it of how many posts you have saved).
You should now have a list of all your saved posts - It will also display the information on when it ends or if you have won any of the competitions
To remove posts from your wallet:
Under each post is the option button 'Remove from Wallet'. Click this.
A pop up will appear asking if you are sure you want to remove it.
Click 'Yes, Remove it!'
It will now say 'Removed'. Click Ok to go back to your wallet