Why should Apple bring iMessage to Android? iMessage recently gained a ton of features that David Pierce believes should become available in Android devices. These include “invisible ink” that hides a message until it’s swiped, in-line Apple Music links that play in-app; and “digital touch,” which lets users send images they draw. It’s like Facebook Messenger, which recently became available to third-party developers. The biggest issue, Pierce writes, is Apple will need to make some adjustments to its strategy if it wants to become a software and services company like Tim Cook claims. Here's why.