Bitcoin Wallet
The original, since 2011. Free software, GPLv3 licensed.
Source:  https://github.com/bitcoin-wallet/bitcoin-wallet
Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet


=== FORKS THAT ADD FEATURES ===


KnC Bitcoin Wallet
Forked in February 2014. KnC added the ability to send Bitcoins to your phone book contacts.
 Source:  https://github.com/kncgroup/bitcoin-wallet
 Install: https://play.google.com/store/apps/details?id=com.kncwallet.wallet


Hive Bitcoin Wallet
Forked in February 2014. Hive added a marketplace and a contacts feature.
 Source:  https://github.com/hivewallet/hive-android
 Install: https://play.google.com/store/apps/details?id=com.hivewallet.androidclient.wallet


Blockchain Wallet
Forked at an early stage and replaced the SPV paradigm by a proprietary server by
blockchain.info. Guess its source is pretty much un-mergable.
 Source:  https://github.com/blockchain/My-Wallet-Android
 Install: https://play.google.com/store/apps/details?id=piuk.blockchain.android


Bitcoin Wallet Li
The only added feature seems to be a sliding menu, but it fails to show any screenshots. Source is un-mergable.
 Source:  https://code.google.com/p/bitcoin-wallet-li/
 Install: https://play.google.com/store/apps/details?id=com.mypgwali


=== FORKS THAT SUPPORT AN ALTCOIN ===


Litecoin Wallet (old)
 Source:  https://github.com/hank/litecoin-wallet
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.litecoin


Feathercoin Wallet
 Source:  https://github.com/hank/feathercoin-wallet
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.feathercoin


DigiByte Wallet
 Source:  https://github.com/digibyte/DigiByteAndroid
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.digibyte


GoldCoin Wallet
 Source:  https://github.com/goldcoin/goldcoin-android/
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.goldcoin


Dogecoin Wallet
 Source:  https://github.com/langerhans/dogecoin-wallet-new
 Install: https://play.google.com/store/apps/details?id=de.langerhans.wallet


Litecoin Wallet
 Source:  https://github.com/Litecoin-Java/bitcoin-wallet
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet_ltc


Franko Wallet
 Source:  https://github.com/HashEngineering/franko-wallet
 Install: https://play.google.com/store/apps/details?id=hashengineering.franko.wallet


Digitalcoin Wallet
 Source:  https://github.com/HashEngineering/digitalcoin-wallet
 Install: https://play.google.com/store/apps/details?id=hashengineering.digitalcoin.wallet


Megacoin Wallet
 Source:  https://github.com/HashEngineering/Megacoin-wallet
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.megacoin


Infinitecoin Wallet
 Source:  https://github.com/HashEngineering/infinitecoin-wallet
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.infinitecoin


Quark Wallet
 Source:  https://github.com/HashEngineering/quarkcoin-wallet
 Install: https://play.google.com/store/apps/details?id=hashengineering.quarkcoin.wallet


Premine Wallet
 Source:  https://github.com/ecuamobi/preminer
 Install: https://play.google.com/store/apps/details?id=com.preminer


Leafcoin Wallet
 Source:  https://github.com/leafcoin/leafcoin-android-wallet
 Install: https://play.google.com/store/apps/details?id=in.leafco.wallet


Einsteinium Wallet
 Source:  https://github.com/einsteinium/einsteinium-wallet
 Install: https://play.google.com/store/apps/details?id=com.einsteinium.wallet


Fedoracoin Wallet
 Source:  https://github.com/denwaotoko/fedoracoin-wallet-new
 Install: https://play.google.com/store/apps/details?id=de.denwaotoko.wallet


Earthcoin Wallet
 Source:  https://github.com/l0rdicon/EarthcoinAndroid
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.earthcoin


Reddcoin Wallet
 Source:  https://github.com/Blu3F1re/reddcoin-wallet
 Install: https://play.google.com/store/apps/details?id=com.blu3f1re.reddwallet


DopeCoin Wallet
 Source:  https://github.com/dopecoin-dev/dopecoin-android-wallet
 Install: https://play.google.com/store/apps/details?id=com.dopecoin.wallet


Vertcoin Wallet
 Source:  https://github.com/dayreiner/vertcoin-wallet
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet.vertcoin


Zetacoin Wallet
 Source:  https://github.com/zbad405/zetacoin-wallet
 Install: https://play.google.com/store/apps/details?id=cc.zetacoin.wallet


Defcoin Wallet
 Source:  https://github.com/jjculber/defcoin-wallet
 Install: https://play.google.com/store/apps/details?id=com.jculb.wallet


Myriadcoin Wallet
 Source:  https://github.com/HashEngineering/myriadcoin-wallet
 Install: https://play.google.com/store/apps/details?id=hashengineering.myriadcoin.wallet


Darkcoin Wallet
 Source:  https://github.com/HashEngineering/darkcoin-wallet
 Install: https://play.google.com/store/apps/details?id=hashengineering.darkcoin.wallet


Casinocoin Wallet
 Source:  https://github.com/ajochems/casinocoin-android-wallet
 Install: https://play.google.com/store/apps/details?id=org.casinocoin.wallet


Machinecoin Wallet
 Source:  https://github.com/Gitju/bitcoin-wallet
 Install: https://play.google.com/store/apps/details?id=de.schildbach.wallet_mac


Monacoin Wallet
 Source:  https://github.com/altcoins-tools/monacoin-wallet-new
 Install: https://play.google.com/store/apps/details?id=org.monaco_ex.wallet.mona


Worldcoin Wallet
 Source:  https://github.com/worldcoinproject/android-worldcoin-wallet
 Install: https://play.google.com/store/apps/details?id=info.coinfit.wdcwallet


Rimbit Wallet
 Source:  https://github.com/Rimbit/AndroidWallet
 Install: https://play.google.com/store/apps/details?id=com.rimbit.android_wallet


Lemurcoin Wallet
 Source:  https://github.com/esotericizm/Lemurcoin-wallet
 Install: https://play.google.com/store/apps/details?id=lemurcoin.lemurcoin.wallet


=== FORKS THAT DON'T ADD ANYTHING? ===


Green Bitcoin Wallet
 Source:  https://github.com/markbhinstein/green-bitcoin-wallet
 Install: https://play.google.com/store/apps/details?id=org.gbnwarowemarkbit
