To play Roblox on an Oculus Quest 2 using your CITYCALL I8550 as a controller, you will need to follow these steps:
Make sure that your Oculus Quest 2 and your CITYCALL I8550 are both connected to the same Wi-Fi network.
On your phone, download and install the Roblox app from the App Store or Google Play Store.
On your Oculus Quest 2, go to the Oculus Store and download the Roblox app.
Once the app is installed, launch it on both your phone and your Oculus Quest 2.
On your CITYCALL I8550, tap the "Connect" button in the Roblox app. This will initiate a connection between your phone and the Oculus Quest 2.
On your Oculus Quest 2, select the "Connect" option in the Roblox app. This will complete the connection between your phone and the Oculus Quest 2.
Once the connection is established, you can use your CITYCALL I8550 as a controller to play Roblox on your Oculus Quest 2.
It's worth noting that not all games in the Roblox app may be compatible with the CITYCALL I8550 controller feature. You can check the list of compatible games on the Roblox website.