Tap each button, then come back here. Note: did a prompt appear, did the ChatGPT app open, and did it land on the Pika plugin page?
A · Safari → ChatGPT app (x-safari, plugin page)x-safari-https://chatgpt.com/plugins/pikaB · Safari → ChatGPT app (x-safari, /app wrapper)x-safari-https://chatgpt.com/app/plugins/pikaC · App scheme with full URLchatgpt://chatgpt.com/plugins/pikaD · App scheme, path formchatgpt:///plugins/pikaE · App scheme, /app wrapperchatgpt://app/plugins/pikaF · App scheme, plugin + browse_appschatgpt://plugins/pika/app/browse_appsG · App scheme, plugin (tested: opens app, not the plugin)chatgpt://plugins/pikaH · Just open the ChatGPT appchatgpt://I · Android: ChatGPT app (intent)intent://chatgpt.com/plugins/pika#Intent;scheme=https;package=com.openai.chatgpt;S.browser_fallback_url=https%3A%2F%2Fchatgpt.com%2Fplugins%2Fpika;endJ · Android: open in Chrome (intent)intent://chatgpt.com/plugins/pika#Intent;scheme=https;package=com.android.chrome;endK · Plain web link (control)https://chatgpt.com/plugins/pika