Our all Tizen Smartphones have a good app named Smart Manager provided by Samsung, which is used for RAM Cleaning, Data Saving, Data managing, Battery Status, security and managing storage. Here is also an app named RAM Cleaner, provided by Cong Ly Tran, that is used for cleaning RAM, showing your Battery status, check your CPU and RAM Usages Status as well as running apps etc.
After opening the app you can see your usage of total ram and a button for showing all running applications. You can clean the running applications by simply tapping on the Open Cleaner button, directly open your smart manager app. There's also an option for showing your charging status and another one showing your CPU usages.
This app is available for all Tizen Smartphone. Download it from Tizen Store for 4.24MB. To download this app go to Tizen Store >> Categories >> Utilities >> New Free.