--- a/mozilla/b2g_config.py
+++ b/mozilla/b2g_config.py
@@ -1539,17 +1539,18 @@ for name, branch in items_before(BRANCHE
         del branch['platforms']['win32-mulet']
     if 'macosx64-mulet' in branch['platforms']:
         del branch['platforms']['macosx64-mulet']
 
 # dolphin is for selected branches only
 for branch in BRANCHES:
     if branch not in ('mozilla-b2g30_v1_4', 'mozilla-b2g34_v2_1s',
                       'mozilla-aurora', 'mozilla-central',
-                      'mozilla-inbound', 'b2g-inbound', 'fx-team'):
+                      'mozilla-inbound', 'b2g-inbound', 'fx-team',
+                      'alder'):
         if 'dolphin' in BRANCHES[branch]['platforms']:
             del BRANCHES[branch]['platforms']['dolphin']
         if 'dolphin_eng' in BRANCHES[branch]['platforms']:
             del BRANCHES[branch]['platforms']['dolphin_eng']
 
 # dolphin-512 is for selected branches only
 for branch in BRANCHES:
     if branch not in ('mozilla-b2g34_v2_1s',):

--- a/mozilla/b2g_project_branches.py
+++ b/mozilla/b2g_project_branches.py
@@ -32,16 +32,66 @@ PROJECT_BRANCHES = {
     #'ux': {
     #    'branch_name': 'UX',
     #    'mobile_branch_name': 'UX',
     #    'build_branch': 'UX',
     #    'enable_nightly': True,
     #},
     #####  TWIGS aka RENTABLE BRANCHES
     'alder': {
+        'enable_nightly': True,
+        'platforms': {
+            'nexus-4': {
+                'enable_nightly': True,
+            },
+            'nexus-4_eng': {
+                'enable_nightly': True,
+                'consider_for_nightly': False,
+            },
+            'nexus-5-l': {
+                'enable_nightly': True,
+            },
+            'nexus-5-l_eng': {
+                'enable_nightly': True,
+                'consider_for_nightly': False,
+            },
+            'flame-kk': {
+                'enable_nightly': True,
+            },
+            'flame-kk_eng': {
+                'enable_nightly': True,
+            },
+            'emulator': {
+                'enable_nightly': True,
+            },
+            'emulator-debug': {
+                'enable_nightly': True,
+            },
+            'emulator-jb': {
+                'enable_nightly': True,
+            },
+            'emulator-jb-debug': {
+                'enable_nightly': True,
+            },
+            'linux64-b2g-haz': {
+                'enable_nightly': False,
+            },
+            'emulator-kk': {
+                'enable_nightly': True,
+            },
+            'emulator-kk-debug': {
+                'enable_nightly': True,
+            },
+            'dolphin': {
+                'enable_nightly': True,
+            },
+            'dolphin_eng': {
+                'enable_nightly': True,
+            },
+        },
     },
     'ash': {
         'enable_nightly': True,
         'platforms': {
             'nexus-4': {
                 'enable_nightly': True,
             },
             'nexus-4_eng': {

--- a/mozilla/project_branches.py
+++ b/mozilla/project_branches.py
@@ -52,18 +52,28 @@ PROJECT_BRANCHES = {
             },
             'macosx64-debug': {
                 'enable_checktests': False,
                 'slave_platforms': ['snowleopard'],
             },
         },
     },
     #'services-central': {},  # Bug 1010674
-    # no desktop builds for bug 1100150
-    # 'alder': {},
+    # customized for bug 1156408
+    'alder': {
+        "enable_nightly": True,
+        'desktop_mozharness_repacks_enabled': True,
+        "enable_weekly_bundle": True,
+        "pgo_strategy": "periodic",
+        "platforms": {
+            "android-api-9": {
+                "is_mobile_l10n": True,
+            },
+        },
+    },
     'ash': {
         'enable_perproduct_builds': False,
         'desktop_mozharness_builds_enabled': True,
         'desktop_mozharness_repacks_enabled': True,
         'enable_nightly': True,
         'create_snippet': True,
         'create_partial': True,
         'use_mozharness_repo_cache': False,