I'm sure Google is already the developer of the most-downloaded, most-popular Android applications, by a large margin. To date, that seems to have motivated the

I'm sure Google is already the developer of the most-downloaded, most-popular Android applications, by a large margin. To date, that seems to have motivated them to establish a good foundation for introspection and dynamic dispatch early on and then produce compatibility libraries as needed. I suspect they find the current situation an acceptable trade-off.