diff --git a/lang/en.json b/lang/en.json
index 0317917..48977cc 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -1,6 +1,8 @@
 {
   "han": "Han",
   "fu": "Fu",
+  "tsumo": "Tsumo",
+  "ron": "Ron",
   "frequency": "Frequency",
   "sortby": "Sort By",
   "title": "Riichi Toolbox",
@@ -10,9 +12,53 @@
   "nav.home": "Home",
   "nav.more": "More",
 
+  "cheatsheet.yakuList": "Yaku List",
+  "cheatsheet.fuList": "Fu List",
+  "cheatsheet.scoring": "Scoring",
+
+  "cheatsheet.fu.fu": "{fu} Fu",
+  "cheatsheet.fu.groupfu": "Group Fu",
+  "cheatsheet.fu.group.openTriplet2": "2 Fu",
+  "cheatsheet.fu.group.closedx2": "Closed × 2",
+  "cheatsheet.fu.group.19x2": "Terminal or Honor × 2",
+  "cheatsheet.fu.group.kanx4": "Kan × 4",
+  "cheatsheet.fu.group.example1": "Ron(Open) Triplet 9m: 2 Fu × 2 (Terminal) = 4 Fu",
+  "cheatsheet.fu.group.example2": "Hatsu Closed Kan = 2 Fu × 4 (Kan) × 2 (Honor) × 2 (Closed) = 32 Fu",
+  "cheatsheet.fu.group.example3": "Chun Pon = 2 Fu × 2 (Honor) = 4 Fu",
+
+  "cheatsheet.fu.waitfu": "Wait Fu",
+  "cheatsheet.fu.wait.closed": "Closed Wait",
+  "cheatsheet.fu.wait.pair": "Pair Wait",
+  "cheatsheet.fu.wait.oneside": "One-Sided Wait",
+
+  "cheatsheet.fu.pairfu": "Pair Fu",
+  "cheatsheet.fu.pair.yakuhai": "Yakuhai Pair",
+  "cheatsheet.fu.pair.dragon": "Dragon Pair",
+  "cheatsheet.fu.pair.seatwind": "Seat Wind Pair",
+  "cheatsheet.fu.pair.roundwind": "Round Wind Pair",
+  "cheatsheet.fu.doublewind": "Double Wind 4 Fu",
+
+  "cheatsheet.fu.hand.closedhand": "Closed Hand",
+  "cheatsheet.fu.hand.menzenron": "+10 Fu",
+  "cheatsheet.fu.hand.menzentsumo": "+1 Han(Menzen Tsumo), +0 Fu",
+  "cheatsheet.fu.hand.open": "Open Hand",
+  "cheatsheet.fu.hand.openron": "+0 Fu",
+  "cheatsheet.fu.hand.opentsumo": "+2 Fu",
+  "cheatsheet.fu.handfu": "Hand Fu",
+
+  "cheatsheet.fu.roundup.roundup": "Round Up to Next 10 Fu",
+  "cheatsheet.fu.roundup.still20": "If Still 20 Fu",
+  "cheatsheet.fu.roundup.still20.menzen": "If closed hand, then +1 Han(Pinfu)",
+  "cheatsheet.fu.roundup.still20.open": "If open hand, then add up to 30 Fu",
+  "cheatsheet.fu.roundupfu": "Round Up",
+
   "more.settings": "Settings",
   "more.settings.lang": "Language",
   "more.settings.lang.auto": "Auto Detect",
+  "more.settings.darkmode": "Dark Mode",
+  "more.settings.darkmode.auto": "Follow System",
+  "more.settings.darkmode.enable": "Enabled",
+  "more.settings.darkmode.disable": "Disabled",
 
   "more.about": "About",
   "more.supportme": "Support Us",
@@ -26,8 +72,8 @@
   "calculator.whichToDiscard.header": "Which to Discard?",
   "calculator.whichToDiscard.content": "Given a hand of tiles, calculates the optimal discard to maximize your chances of winning.",
 
-  "yaku.yakuList": "Yaku List",
-  "yaku.fuList": "Fu List",
+  "yaku.expandall": "Expand All",
+  "yaku.hideall": "Hide All",
   "yaku.han": "{han} Han",
   "yaku.closedHandsOnly": "Closed",
   "yaku.meldedPenalty": "melded-",
diff --git a/lang/zh.json b/lang/zh.json
index 4a1cfc6..8ab4631 100644
--- a/lang/zh.json
+++ b/lang/zh.json
@@ -20,8 +20,6 @@
   "more.about.osslicense": "开源许可证",
   "more.about.attribution": "创作版权信息",
   "calculator.whichToDiscard.header": "何切？",
-  "yaku.yakuList": "役种列表",
-  "yaku.fuList": "算符规则",
   "yaku.han": "{han} 番",
   "yaku.closedHandsOnly": "门清",
   "yaku.meldedPenalty": "副露减",