The Android SDK is longer free software.

tian2992 writes: "The new terms for the Android SDK now include phrases such as "you may not: (a) copy (except for backup purposes), modify, adapt, redistribute, decompile, reverse engineer, disassemble, or create derivative works of the SDK or any part of the SDK" among other non-Free software friendly terms, as noted by FSF Europe's Torsten Grote. Replicant, a free fork of Android announced the release of Replicant SDK 4.0 based on the latest sources of Android SDK without the new terms."