Opera on Android lets you choose from the search engines available in its mobile settings.

1. Open Opera and tap the profile icon.
2. Tap Settings.
3. In the Search section, tap Default search engine.
4. If Queye appears, select it.

If Queye is not listed, Opera on Android does not currently provide a manual field for a custom search URL.

You can also install the Queye Android app if you want a direct fallback.