diff --git a/Makefile.chainsplit b/Makefile.chainsplit
index 25dbd67..62fe5d4 100755
--- a/Makefile.chainsplit
+++ b/Makefile.chainsplit
@@ -15,7 +15,7 @@
 #  limitations under the License.
 #*******************************************************************************
 
-APPNAME = ETC/ETH Split
+APPNAME = "ETC/ETH Split"
 TARGET_ID = 0x31100002 #Nano S
 #TARGET_ID = 0x31000002 #Blue
 APP_LOAD_PARAMS=--appFlags 0x40 --path "44'/60'" --path "44'/61'" --curve secp256k1
@@ -126,10 +126,7 @@ log = $(if $(strip $(VERBOSE)),$1,@$1)
 default: prepare bin/$(PROG)
 
 load:
-	python -m ledgerblue.loadApp --targetId $(TARGET_ID) --fileName bin/$(PROG).hex --appName $(APPNAME) --icon `python $(BOLOS_SDK)/icon.py 16 16 icon.gif hexbitmaponly` $(APP_LOAD_PARAMS)
-
-load_release:
-	python -m ledgerblue.loadApp --targetId $(TARGET_ID) --fileName bin/$(PROG).hex --appName $(APPNAME) --icon `python $(BOLOS_SDK)/icon.py 16 16 icon.gif hexbitmaponly` $(APP_LOAD_PARAMS) --signature 3044022065e5bcf6519ea12ff991e429cc85bf7ecc789bd1a7a141d5e2dc358e5544c6170220726801803361b3296b83a3d14be8afc3374bda215b4dadd3d67bc3518e1f78bc
+	python -m ledgerblue.loadApp --targetId $(TARGET_ID) --fileName bin/$(PROG).hex --appName $(APPNAME) --icon `python $(BOLOS_SDK)/icon.py 16 16 icon_split.gif hexbitmaponly` $(APP_LOAD_PARAMS)
 
 delete:
 	python -m ledgerblue.deleteApp --targetId $(TARGET_ID) --appName $(APPNAME)
diff --git a/icon_split.gif b/icon_split.gif
new file mode 100644
index 0000000..0ab4001
Binary files /dev/null and b/icon_split.gif differ
diff --git a/splitEther.py b/splitEther.py
index d693637..62fc218 100644
--- a/splitEther.py
+++ b/splitEther.py
@@ -21,6 +21,8 @@ from ledgerblue.comm import getDongle
 from ledgerblue.commException import CommException
 import argparse
 import struct
+import requests
+import json
 from decimal import Decimal
 from ethereum.transactions import Transaction, UnsignedTransaction
 from rlp import encode
@@ -32,6 +34,17 @@ from ethereum import utils
 SPLIT_CONTRACT_FUNCTION = decode_hex("9c709343")
 SPLIT_CONTRACT_ADDRESS = "5dc8108fc79018113a58328f5283b376b83922ef"
 
+def rpc_call(http, url, methodDebug):
+	req = http.get(url)
+	if req.status_code == 200:
+		result = json.loads(req.text)
+		if 'error' in result:
+			raise Exception("Server error " + methodDebug + " " + result['error']['message'])
+		return result
+	else:
+		raise Exception("Server error - " + methodDebug + " got status " + req.status)
+
+
 def parse_bip32_path(path):
 	if len(path) == 0:
 		return ""
@@ -46,13 +59,15 @@ def parse_bip32_path(path):
 	return result
 
 parser = argparse.ArgumentParser()
-parser.add_argument('--nonce', help="Nonce associated to the account")
-parser.add_argument('--gasprice', help="Network gas price")
+parser.add_argument('--nonce', help="Nonce associated to the account (default : query account)")
+parser.add_argument('--gasprice', help="Network gas price (default : query network)")
 parser.add_argument('--startgas', help="startgas", default='80000')
-parser.add_argument('--amount', help="Amount to send in ether")
-parser.add_argument('--to', help="BIP 32 destination path")
+parser.add_argument('--startgas-delta', help="difference applied to startgas if gasprice is automatically fetched", default='1000')
+parser.add_argument('--amount', help="Amount to send in ether (default : query amount, use maximum)")
+parser.add_argument('--to', help="BIP 32 destination path (default : default ETC path)")
 parser.add_argument('--split-to-eth', help="Split to the ETH chain (default : spit to ETC chain)", action='store_true')
-parser.add_argument('--path', help="BIP 32 path to sign with")
+parser.add_argument('--path', help="BIP 32 path to sign with (default : default ETH path)")
+parser.add_argument('--broadcast', help="Broadcast generated transaction (default : false)", action='store_true')
 args = parser.parse_args()
 
 if args.path == None:
@@ -79,6 +94,43 @@ result = dongle.exchange(bytes(apdu))
 publicKey = str(result[1 : 1 + result[0]])
 encodedPublicKey = utils.sha3(publicKey[1:])[12:]
 
+if (args.nonce == None) or (args.amount == None):
+	donglePathFrom = parse_bip32_path(args.path)
+	apdu = "e0020000".decode('hex') + chr(len(donglePathFrom) + 1) + chr(len(donglePathFrom) / 4) + donglePathFrom
+	result = dongle.exchange(bytes(apdu))
+	publicKeyFrom = str(result[1 : 1 + result[0]])
+	encodedPublicKeyFrom = utils.sha3(publicKeyFrom[1:])[12:]
+
+
+http = None
+if (args.gasprice == None) or (args.nonce == None) or (args.amount == None) or (args.broadcast):
+	http = requests.session()
+
+if args.gasprice == None:
+	print "Fetching gas price"
+	result = rpc_call(http, "https://api.etherscan.io/api?module=proxy&action=eth_gasPrice", "gasPrice")
+	args.gasprice = int(result['result'], 16)
+	print "Gas price " + str(args.gasprice)
+
+if args.nonce == None:
+	print "Fetching nonce"
+	result = rpc_call(http, "https://api.etherscan.io/api?module=proxy&action=eth_getTransactionCount&address=0x" + encodedPublicKeyFrom.encode('hex'), "getTransactionCount")
+	args.nonce = int(result['result'], 16)
+	print "Nonce for 0x" + encodedPublicKeyFrom.encode('hex') + " " + str(args.nonce)
+
+if args.amount == None:
+	print "Fetching balance"
+	result = rpc_call(http, "https://api.etherscan.io/api?module=account&action=balance&address=0x" + encodedPublicKeyFrom.encode('hex'), "getBalance")
+	amount = int(result['result'])
+	print "Balance for " + encodedPublicKeyFrom.encode('hex') + " " + str(amount)
+	amount -= (int(args.startgas) - int(args.startgas_delta)) * int(args.gasprice)		
+	if amount < 0:
+		raise Exception("Remaining amount too small to pay for contract fees")
+else:
+	amount = Decimal(args.amount) * 10**18
+
+print "Amount transferred " + str((Decimal(amount) / 10 ** 18)) + " to " + encodedPublicKey.encode('hex')
+
 txData = SPLIT_CONTRACT_FUNCTION
 txData += "\x00" * 31
 if (args.split_to_eth):
@@ -88,8 +140,6 @@ else:
 txData += "\x00" * 12
 txData += encodedPublicKey
 
-amount = Decimal(args.amount) * 10**18
-
 tx = Transaction(
     nonce=int(args.nonce),
     gasprice=int(args.gasprice),
@@ -111,5 +161,10 @@ r = int(str(result[1:1 + 32]).encode('hex'), 16)
 s = int(str(result[1 + 32: 1 + 32 + 32]).encode('hex'), 16)
 
 tx = Transaction(tx.nonce, tx.gasprice, tx.startgas, tx.to, tx.value, tx.data, v, r, s)
+serializedTx = encode(tx)
 
-print "Signed transaction " + encode_hex(encode(tx))
+print "Signed transaction " + serializedTx.encode('hex')
+
+if (args.broadcast):
+	result = rpc_call(http, "https://api.etherscan.io/api?module=proxy&action=eth_sendRawTransaction&hex=0x" + serializedTx.encode('hex'), "sendRawTransaction")
+	print result