Follow these to find the total number of installs for your Roku app. Note: Roku will only show the number of installs as of the current date.
Go to https://developer.roku.com/apps and sign in to your Roku developer account. This page will show you all your Roku apps. Once you found your app click the "View Analytics" button.
On the channel performance page you’ll see “Cumulative Installs”. This number will be the total number of times your channel has been installed.