You can easily add a connection (buddy) to your plan from the app. Follow these steps:

1. Open the OtoZen app
2. Go to Shortcuts (bottom right corner)
3. Tap on Manage Plan
4. On the plan screen, tap Manage plan button
5. Select the connection(s) you want to add to your plan
6. Tap Save changes

Once saved, the selected connection(s) will be included in your plan.