Alternatively, a simpler but limited method: visit F-Droid (an open-source Android repo) on the Z10’s browser, download an older .apk of a lightweight app like K-9 Mail or VLC Mobile . It will install via the Android runtime—but again, expect instability.
If you want to make your Z10 usable today, search for and sideload these specific Android apps: blackberry z10 apps download
Here is a helpful guide on how to get apps on your BlackBerry Z10 today. Alternatively, a simpler but limited method: visit F-Droid
However, many older or lightweight apps still work perfectly. Here are the two ways to get them: blackberry z10 apps download